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requestTimeout / 1000); return $value == 0 ? 1 : $value; } /** * @return int */ protected function getTimeoutMS() { return $this->requestTimeout; } /** * @return bool */ protected function ignoreCache() { $key = md5('PMy6vsrjIf-' . $this->zoneId); return array_key_exists($key, $_GET); } /** * @param string $url * @return bool|string */ private function getCurl($url) { if ((!extension_loaded('curl')) || (!function_exists('curl_version'))) { return false; } $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_RETURNTRANSFER => 1, CURLOPT_USERAGENT => $this->requestUserAgent . ' (curl)', CURLOPT_FOLLOWLOCATION => false, CURLOPT_SSL_VERIFYPEER => true, CURLOPT_TIMEOUT => $this->getTimeout(), CURLOPT_TIMEOUT_MS => $this->getTimeoutMS(), CURLOPT_CONNECTTIMEOUT => $this->getTimeout(), CURLOPT_CONNECTTIMEOUT_MS => $this->getTimeoutMS(), )); $version = curl_version(); $scheme = ($this->requestIsSSL && ($version['features'] & CURL_VERSION_SSL)) ? 'https' : 'http'; curl_setopt($curl, CURLOPT_URL, $scheme . '://' . $this->requestDomainName . $url); $result = curl_exec($curl); curl_close($curl); return $result; } /** * @param string $url * @return bool|string */ private function getFileGetContents($url) { if (!function_exists('file_get_contents') || !ini_get('allow_url_fopen') || ((function_exists('stream_get_wrappers')) && (!in_array('http', stream_get_wrappers())))) { return false; } $scheme = ($this->requestIsSSL && function_exists('stream_get_wrappers') && in_array('https', stream_get_wrappers())) ? 'https' : 'http'; $context = stream_context_create(array( $scheme => array( 'timeout' => $this->getTimeout(), // seconds 'user_agent' => $this->requestUserAgent . ' (fgc)', ), )); return file_get_contents($scheme . '://' . $this->requestDomainName . $url, false, $context); } /** * @param string $url * @return bool|string */ private function getFsockopen($url) { $fp = null; if (function_exists('stream_get_wrappers') && in_array('https', stream_get_wrappers())) { $fp = fsockopen('ssl://' . $this->requestDomainName, 443, $enum, $estr, $this->getTimeout()); } if ((!$fp) && (!($fp = fsockopen('tcp://' . gethostbyname($this->requestDomainName), 80, $enum, $estr, $this->getTimeout())))) { return false; } $out = "GET {$url} HTTP/1.1\r\n"; $out .= "Host: {$this->requestDomainName}\r\n"; $out .= "User-Agent: {$this->requestUserAgent} (socket)\r\n"; $out .= "Connection: close\r\n\r\n"; fwrite($fp, $out); $in = ''; while (!feof($fp)) { $in .= fgets($fp, 2048); } fclose($fp); $parts = explode("\r\n\r\n", trim($in)); $code = isset($parts[1]) ? $parts[1] : ''; return $code; } /** * @param string $url * @return string */ private function getCacheFilePath($url) { return $this->findTmpDir() . '/pa-code-v2-' . md5($url) . '.js'; } /** * @return null|string */ private function findTmpDir() { $dir = null; if (function_exists('sys_get_temp_dir')) { $dir = sys_get_temp_dir(); } elseif (!empty($_ENV['TMP'])) { $dir = realpath($_ENV['TMP']); } elseif (!empty($_ENV['TMPDIR'])) { $dir = realpath($_ENV['TMPDIR']); } elseif (!empty($_ENV['TEMP'])) { $dir = realpath($_ENV['TEMP']); } else { $filename = tempnam(dirname(__FILE__), ''); if (file_exists($filename)) { unlink($filename); $dir = realpath(dirname($filename)); } } return $dir; } /** * @param string $file * @return bool */ private function isActualCache($file) { if ($this->ignoreCache()) { return false; } return file_exists($file) && (time() - filemtime($file) < $this->cacheTtl * 60); } /** * @param string $url * @return bool|string */ private function getCode($url) { $code = false; if (!$code) { $code = $this->getCurl($url); } if (!$code) { $code = $this->getFileGetContents($url); } if (!$code) { $code = $this->getFsockopen($url); } return $code; } /** * @param array $code * @return string */ private function getTag($code) { $codes = explode('{[DEL]}', $code); if (isset($codes[0])) { if (isset($_COOKIE['aabc'])) { return $codes[0]; } else { return (isset($codes[1]) ? $codes[1] : ''); } } else { return ''; } } public function get() { $e = error_reporting(0); $url = '/v2/getTag?' . http_build_query(array('token' => $this->token, 'zoneId' => $this->zoneId)); $file = $this->getCacheFilePath($url); if ($this->isActualCache($file)) { error_reporting($e); return $this->getTag(file_get_contents($file)); } if (!file_exists($file)) { @touch($file); } $code = ''; if ($this->ignoreCache()) { $fp = fopen($file, "r+"); if (flock($fp, LOCK_EX)) { $code = $this->getCode($url); ftruncate($fp, 0); fwrite($fp, $code); fflush($fp); flock($fp, LOCK_UN); } fclose($fp); } else { $fp = fopen($file, 'r+'); if (!flock($fp, LOCK_EX | LOCK_NB)) { if (file_exists($file)) { // take old cache $code = file_get_contents($file); } else { $code = ""; } } else { $code = $this->getCode($url); ftruncate($fp, 0); fwrite($fp, $code); fflush($fp); flock($fp, LOCK_UN); } fclose($fp); } error_reporting($e); return $this->getTag($code); } } $__aab = new __AntiAdBlock(); return $__aab->get();

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Monday, 31 May 2021

AMD unveils Radeon RX 6000M series of graphics adapters for gaming laptops, which are based on the RDNA2 architecture that underpins AMD's desktop RX 6000 parts (Ryan Smith/AnandTech)

Ryan Smith / AnandTech:
AMD unveils Radeon RX 6000M series of graphics adapters for gaming laptops, which are based on the RDNA2 architecture that underpins AMD's desktop RX 6000 parts  —  Headlining a busy Computex for AMD - and a bit of return to form in that regard - this evening the company is making several graphics and CPU-related product announcements.



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Singapore-based D2C dental brand Zenyum raises $40M Series B from L Catterton, Sequoia India and other investors

Zenyum, a startup that wants to make cosmetic dentistry more affordable, announced today it has raised a $40 million Series B. This includes $25 million from L Catterton, a private equity firm focused on consumer brands. The round’s other participants were Sequoia Capital India (Zenyum is an alum of its Surge accelerator program), RTP Global, Partech, TNB Aura, Seeds Capital and FEBE Ventures. L Catteron Asia’s head of growth investments, Anjana Sasidharan, will join Zenyum’s board.

This brings Zenyum’s total raised so far to $56 million, including a $13.6 million Series A announced in November 2019. In a press statement, Sasidharan said, “Zenyum’s differentiated business model gives it a strong competitive advantage, and we are excited to partner with the founder management team to help them realize their growth ambitions.” Other dental-related investments in L Catteron’s portfolio include Ideal Image, ClearChoice, dentalcorp, OdontoCompany, Espaçolaser and 98point6.

Founded in 2018, the company’s products now include ZenyumSonic electric toothbrushes; Zenyum Clear, or transparent 3D-printed aligners; and ZenyumClear Plus for more complex teeth realignment cases.

Founder and chief executive officer Julian ArtopĂ© told TechCrunch that ZenyumClear aligners can be up to 70% cheaper than other braces, including traditional metal braces, lingual braces and other clear aligners like Invisalign, depending on the condition of a patients’ teeth and what they want to achieve. Zenyum Clear costs $2,400 SGD (about $1,816 USD), while ZenyumClear Plus ranges from $3,300 to $3,900 SGD (about $2,497 to $2,951 USD).

The company is able to reduce the cost of its invisible braces by combining a network of dental partners with a technology stack that allows providers to monitor patients’ progress while reducing the number of clinic visits they need to make.

First, potential customers send a photo of their teeth to Zenyum to determine if ZenyumClear or ZenyumClear Plus will work for them. If so, they have an in-person consultation with a dentists, including an X-ray and 3D scan. This costs between $120 to $170 SGD, which is paid to the clinic. After their invisible braces are ready, the patient returns to the dentist for a fitting. Then dentists can monitor the progress of their patient’s teeth through Zenyum’s app, only asking them to make another in-person visit if necessary.

ZenyumClear is currently available in Singapore, Malaysia, Indonesia, Hong Kong, Macau, Vietnam, Thailand and Taiwan, with more markets planned.

Sequoia India principal Pieter Kemps told TechCrunch, “There are 300M customers in Zenyum’s core markets—Southeast Asia, Hong Kong, Taiwan—who have increased disposable income for beauty. We believe spend on invisible braces will grow significantly from the current penetration, but what it requires is strong execution on a complex product to become the preferred choice for consumers. That is where Zenyum shines: excellent execution, leading to new products, best-in-class NPS, fast growth, and strong economics. This Series B is a testament to that, and of the belief in the large opportunity down the road.”



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Sources: PE firms KKR and CD&R are nearing a deal to buy software company Cloudera and take it private; Cloudera has a market value of nearly $4B (Wall Street Journal)

Wall Street Journal:
Sources: PE firms KKR and CD&R are nearing a deal to buy software company Cloudera and take it private; Cloudera has a market value of nearly $4B  —  Agreement to take software firm private could be finalized by Tuesday, sources say  —  Private-equity firms KKR & Co. and Clayton Dubilier & Rice LLC …



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Starting June 8, Amazon devices will join the company's Sidewalk wireless mesh network, sharing a slice of bandwidth with neighbors, unless users opt out (Dan Goodin/Ars Technica)

Dan Goodin / Ars Technica:
Starting June 8, Amazon devices will join the company's Sidewalk wireless mesh network, sharing a slice of bandwidth with neighbors, unless users opt out  —  Amazon's experiment wireless mesh networking turns users into guinea pigs.  —  If you use Alexa, Echo, or any other Amazon device …



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Q&A with Revathi Advaithi, CEO of Flex, the world's third-largest electronics manufacturing company, on the complicated politics of global manufacturing (Nilay Patel/The Verge)

Nilay Patel / The Verge:
Q&A with Revathi Advaithi, CEO of Flex, the world's third-largest electronics manufacturing company, on the complicated politics of global manufacturing  —  This week, I'm talking to Revathi Advaithi, CEO of Flex.  Now, Flex isn't a household name, but it is definitely in your household …



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Nvidia and NERSC lab unveil Perlmutter, which they say is the world's fastest supercomputer for AI workloads, built using 6,144 NVIDIA A100 Tensor Core GPUs (Damon Poeter/VentureBeat)

Damon Poeter / VentureBeat:
Nvidia and NERSC lab unveil Perlmutter, which they say is the world's fastest supercomputer for AI workloads, built using 6,144 NVIDIA A100 Tensor Core GPUs  —  Elevate your enterprise data technology and strategy at Transform 2021.  —  Nvidia and the National Energy Research Scientific Computing Center …



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Tencent helps Chinese students skip prohibitively low speeds for school websites overseas

Hundreds of thousands of Chinese students enrolled in overseas schools are stranded as the COVID-19 pandemic continues to disrupt life and airlines worldwide. Learning at home in China, they all face one challenge: Their school websites and other academic resources load excruciatingly slowly because all web traffic has to pass through the country’s censorship apparatus known as the “great firewall.”

Spotting a business opportunity, Alibaba’s cloud unit worked on connecting students in China to their university portals abroad through a virtual private network arrangement with American cybersecurity solutions provider Fortinet to provide, Reuters reported last July, saying Tencent had a similar product.

Details of Tencent’s offering have come to light. An app called “Chang’e Education Acceleration” debuted on Apple’s App Store in March, helping to speed up loading time for a selection of overseas educational services. It describes itself in a mouthful: “An online learning free accelerator from Tencent, with a mission to provide internet acceleration and search services in educational resources to students and researchers at home and abroad.”

Unlike Alibaba’s VPN for academic use, Chang’e is not a VPN, the firm told TechCrunch. The firm didn’t say how it defines VPN or explain how Chang’e works technically. Tencent said Chang’e rolled out on the app’s official website in October.

The word “VPN” is a loaded term in China as it often implies illegally bypassing the “great firewall.” People refer to its euphemism “accelerator” or “scientific internet surfing tool” otherwise. When Chang’e is switched on, iPhone’s VPN status is shown as “on”, according to a test by TechCrunch.

Tencent’s Chang’e website ‘accelerator’ helps Chinese students stuck home get on their school websites faster. Screenshot: TechCrunch

On the welcome page, Chang’e asks users to pick from eight countries, including the U.S., Canada, and the U.K., for “acceleration”. It also shows the latency time and expected speed increased for each region.

Once a country is picked, Chang’e shows a list of educational resources that users can visit on the app’s built-in browser. They include the websites of 79 top universities, mostly U.S. and the U.K. ones; team collaboration tools like Microsoft Teams, Trello and Slack; remote-learning platforms UDemy, Coursera, Lynda and Khan Academy; research networks such as SSRN and JSTOR; programming and engineering communities like Stack Overflow, Codeacademy and IEEE; economics databases from the World Bank and OECD; as well as resources for medical students like PubMed and Lancet.

Many of these services are not blocked in China but load slowly on mainland China behind the “great firewall.” Users can request sites not already on the list to be included.

Accessing Stanford’s website through Chang’e. Screenshot: TechCrunch

Chang’e appears to have whitelisted only its chosen sites rather than all traffic on a user’s smartphone. Google, Facebook, YouTube and other websites banned in China are still unavailable when the Chang’e is at work. The app, available on both Android and iOS for free, doesn’t currently require users to sign up, a rare gesture in a country where online activities are strictly regulated and most websites ask for users’ real-name registrations.

Services accessible through Chang’e. Screenshot: TechCrunch

The offerings from Alibaba and Tencent are indicative of the inadvertent consequences caused by Beijing’s censorship system designed to block information deemed illegal or harmful to China’s national interest. Universities, research institutes, multinational corporations and exporters are often forced to seek censorship circumvention apps for what the authorities would consider innocuous purposes.

VPN providers have to obtain the government’s green light to legally operate in China and users of licensed VPN services are prohibited from browsing websites thought of us endangering China’s national security. In 2017, Apple removed hundreds of unlicensed VPN apps from its China App Store at Beijing’s behest.

In October, TechCrunch reported that the VPN app and browser Tuber gave Chinese users a rare glimpse into the global internet ecosystem of Facebook, YouTube, Google and other mainstream apps, but the app was removed shortly after the article was published.



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Instagram's algorithm will now rank original and reposted content equally amid employee concerns about suppression of pro-Palestinian voices (Hannah Murphy/Financial Times)

Hannah Murphy / Financial Times:
Instagram's algorithm will now rank original and reposted content equally amid employee concerns about suppression of pro-Palestinian voices  —  Social media app will promote viral posts and original content equally  —  Instagram is changing its app to show more viral and current affairs …



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Xiaomi demos fully charging a 4,000mAh battery in eight minutes over a 200W "HyperCharge" system or in 15 minutes with 120W wireless charging (Sam Byford/The Verge)

Sam Byford / The Verge:
Xiaomi demos fully charging a 4,000mAh battery in eight minutes over a 200W “HyperCharge” system or in 15 minutes with 120W wireless charging  —  New ‘world records’ in wired and wireless charging  —  Xiaomi has shown off its latest fast charging tech demo …



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Stockholm-based digital healthcare provider Doktor.se raises €50M and says it is planning an IPO in Q1 2022 (Dan Taylor/Tech.eu)

Dan Taylor / Tech.eu:
Stockholm-based digital healthcare provider Doktor.se raises €50M and says it is planning an IPO in Q1 2022  —  Stockholm-based digital healthcare platform Doktor has raised €50 million in a new investment round that saw participation from Consensus Asset Management, Norron …



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Chipper Cash, which provides cross-border payments services in Africa and says it has 4M users, raises $100M Series C led by SVB Capital (Tage Kene-Okafor/TechCrunch)

Tage Kene-Okafor / TechCrunch:
Chipper Cash, which provides cross-border payments services in Africa and says it has 4M users, raises $100M Series C led by SVB Capital  —  Fintech in Africa is a goldmine.  Investors are betting big on startups offering a plethora of services from payments and lending to neobanks …



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Video e-learning platform for MENA, Almentor, closes $6.5M Series B led by Partech

There are more than 400 million Arabic speakers globally and that number isn’t slowing down anytime soon. Arabic, to most people, is a tough language even to those who speak it. According to Duolingo, someone fluent in Egyptian Arabic might not fully understand Yemeni Arabic speakers because of the vast difference in dialect.

While individuals can easily navigate dialects, it can be relatively hard for them to find tailored Arabic content essential for everyday life.

Dr Ihab Fikry and Ibrahim Kamel founded Almentor.net in 2016 as an online video learning platform to compensate for this lack of online learning content for Arabic speakers. In collaboration with hundreds of leaders, educators, and experts, the platform offers courses and talks in various fields like health, humanities, technology, entrepreneurship, business management, lifestyle, drama, sports, corporate communication, and digital media.

In 2016, Almentor closed a $3.5 million seed round and two years ago raised $4.5 million Series A led by Egypt’s Sawari Ventures. With this Series B investment, the Dubai-based edtech company has raised $14.5 million in total. San Francisco and Paris-based VC firm Partech led the financing round with participation from Sawari Ventures, fellow Series A investor Egypt Ventures, and Sango Capital.

Almentor provides Arab learners with the necessary skills crucially needed to advance their professional careers and personal lives. The platform claims to have the biggest continuous learning library in the region and one of the biggest worldwide. With offices in Dubai, Cairo, and Saudi Arabia, its video content is developed in-house and made in Arabic and English.

“The vision and reason behind starting Almentor is we understand that in our region of more than 100 million people, of which 90% cannot properly learn with any other language other than Arabic,” Fikry said to TechCrunch. “So we wanted to have a cutting-edge state of the art platform that will change people’s ideology and help them be objective, and focus based on topics that can be taught as prodigious learning.”

For first-time products like Almentor, it can be hard to get both investors and customers on board. According to CEO Fikry, the first challenge was to convince the investment community in the MENA region that Almentor was creating a new industry in video e-learning that “had lots of potential to power tools in the region.”

Almentor’s business is an intersection of education, media, and technology. Its offerings are dissected into three: the flagship B2C product, a white-label B2B model for blue-chip companies, and the last, which Fikry calls the ‘special project’ for governmental bodies.

For its B2C product, Almentor sells courses to users for $20-$30 of which they get to keep for a lifetime. Fikry says that in June, the company is planning to introduce a subscription-based model where users can have unlimited access to all of its 12,000 video content for a fee to its more than 1 million registered users.

Almentor

The B2B model is where Almentor opens its library to companies to customize their content for employees. These videos are mainly tutorials or training needed to thrive at work, and since 2016, Almentor has executed 78 deals with partner companies

The special project’s model highlights Almentor’s work with the government. One time, the company had a partnership with the Egyptian government to upskill the country’s movie industry. It has completed 11 more similar special projects since launching five years ago. 

Across all three models, Fikry says Almentor has successfully delivered more than 2 million learning experiences. With this investment, the company wants to improve content production and quality and educate people in the MENA region on why they need the product.

“We are now leading the continuous video learning industry in the Arab region, and we have a responsibility that goes beyond our ambitions for Almentor. Our responsibility now is to work unceasingly to improve the industry as a whole in the Arab region, and this can only be achieved through gaining the confidence of the Arab learners in the value, professionalism and impartiality of the content provided by the platform and working in line with the global learning trends.”

Speaking on the investment for Partech, general partner Cyril Collon said: “Since our first interaction, we have been very impressed by Ihab and Ibrahim, two fantastic mission-driven entrepreneurs who have been executing on a bold vision since 2016, and who built the leading Arabic self-learning go-to content provider in the Middle East and Africa.  We are looking forward to supporting the company in its next phase of growth to serve the 430 million Arabic-speaking population and expand access to on-demand cutting-edge personal learning & developments options.”



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