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12:40 PM ET, May 19, 2011

Techmeme

 Top Items: 
Leena Rao / TechCrunch:
LinkedIn IPO Shares Pop 84 Percent On First Trade, Opens With $7.8B Market Cap  —  This is a big day for professional social network LinkedIn, which was founded in 2003.  After filing its S-1 with the SEC in January, the company has begin trading its shares, under the symbol LNKD, on the New York Stock Exchange this morning.
RELATED:
Evelyn M. Rusli / DealBook:
The Case Against LinkedIn's $4 Billion Valuation  —  A swarm of investors is buying into LinkedIn's I.P.O. and its soaring valuation.  —  Shares of LinkedIn, a professional social network, opened at $83 in trading on the New York Stock Exchange on Thursday, nearly double its offering price.
Discussion: SAI, GeekWire and Fast Company
SAI: Silicon Alley Insider:
CHART OF THE DAY: Where LinkedIn's Revenue Comes From
Discussion: SAI
Gartner:
Gartner Says 428 Million Mobile Communication Devices Sold Worldwide in First Quarter 2011, a 19 Percent Increase Year-on-Year  —  Apple, Samsung and HTC Reported Strongest Results in an Increasingly Smartphone-Dominated Market  —  Worldwide mobile communication device sales …
RELATED:
Jack Purcher / Patently Apple:
Whoa!  Apple Patent Confirms iTunes Cloud Media Services  —  In January we pointed to a possible HP music cloud service that could debut with their future TouchPad tablet due to their 3par acquisition.  Such a service had the potential of upsetting Apple's iTunes kingdom.
Discussion: Gizmodo, 9 to 5 Mac and Cult of Mac
RELATED:
Amazon.com:
Amazon.com Now Selling More Kindle Books Than Print Books  —  Kindle with Special Offers for only $114 is already the bestselling member of the Kindle family  —  (NASDAQ:AMZN)—Amazon began selling hardcover and paperback books in July 1995.  Twelve years later in November 2007 …
Ed Bott / Ed Bott's Microsoft Report Blog:
Apple to support reps: “Do not attempt to remove malware”  —  Apple is actively conducting an internal investigation into the Mac Defender malware attack I wrote about yesterday (here and here).  An internal document with a Last Modified date of Monday, May 16, 2011 notes that this is an “Issue/Investigation In Progress.”
Discussion: Gizmodo, MacStories and MacNN
RELATED:
Riva Richmond / Gadgetwise:
Facebook's New Way to Combat Child Pornography  —  As online photo sharing has exploded so has, tragically, the distribution of child pornography.  But while the rise of the Internet and digital cameras have revived a scourge that had nearly been eliminated in the late 1980s, new technology may also help to beat it back again.
Greg Sandoval / CNET News:
Apple signs EMI, cloud-music deals nearly done  —  Apple is closing in on obtaining the necessary agreements with the top four record companies that will enable the company to launch a fully licensed cloud-music service, according to sources with knowledge of the talks.
Matt Rosoff / SAI: Silicon Alley Insider:
Microsoft Says Intel Exec Was Wrong About Windows 8  —  Yesterday, Intel senior vice president Renee James spilled some details about Microsoft's next version of Windows, claiming that the ARM version won't run legacy Windows apps (which were designed only to run on Intel's x86 family of processors).
Amir Efrati / Wall Street Journal:
‘Like’ Button Follows Web Users  —  Internet users tap Facebook Inc.'s “Like” and Twitter Inc.'s “Tweet” buttons to share content with friends.  But these tools also let their makers collect data about the websites people are visiting.  —  These so-called social widgets …
Larry Dignan / Between the Lines Blog:
Apple's retail stores turn 10: Crow for sale  —  Apple's retail stores turn 10 and what looked like a boondoggle—and potentially a disaster in the making—has turned out to be one of the company's most brilliant moves.  —  On May 19, 2001 Apple opened stores in Glendale, Calif. and McLean …
Matt Warman / Telegraph:
Google warns against facial recognition database  —  Google's Executive Chairman Eric Schmidt has warned Governments against ‘foolish’ legislation - and said facial recognition is too creepy even for Google  —  Eric Schmidt: 'I am incredibly optimistic about what is going to be possible in the next decade …
Discussion: PC World, BBC and Bloomberg
Trevor Mogg / Digital Trends:
Apple causes ‘religious’ reaction in brains of fans, say neuroscientists  —  In a recently screened BBC documentary, UK neuroscientists suggested that the brains of Apple devotees are stimulated by Apple imagery in the same way that the brains of religious people are stimulated by religious imagery.
Chester Yung / MarketWatch:
China Mobile, Apple reach consensus on 4G iPhone  — Front Page - News Viewer - Commentary - Markets - Investing - Personal Finance - Community - Games  — Stocks - Mutual Funds - ETFs - Options - Bonds - Commodities - Currencies - Getting Started - MarketWatch Adviser - Premium Newsletters - Hulbert Interactive - Research Tools
Andrew Munchbach / BGR:
Android grabs 53% of global smartphone market share; iOS 50% of application revenues  —  A new report published by Millennial Media paints a picture of the global smartphone landscape in April of 2011.  The company found that Android continued its domination in pure market share, holding a 53% of impressions on the company's network.
Michael Arrington / TechCrunch:
Octopart, The Little Startup That Hung In There  —  Looking for a transistor or a relay?  Or possibly an oscilloscope?  More than likely you'll end up at Octopart, a vintage Y Combinator startup that launched in 2007.  —  The company is a search engine for electronic parts …
Zach Epstein / BGR:
Google to acquire Modu patents for $4.9 million  —  Google was recently granted permission to purchase a patent portfolio previously held by Modu, a now defunct Israeli cell phone maker that couldn't find a market for its minuscule mobile phones.  Modu emerged in 2008 touting …
Discussion: Globes Online
Mike Masnick / Techdirt:
Bezos: Attempts To Collect State Sales Tax On Amazon Sales Is Unconstitutional  —  For quite some time now, we've covered how various states have tried to avoid laws that say mail order companies don't need to collect sales tax in states where they have no staff (while individuals are supposed …
Omar El Akkad / Globe and Mail:
Google's big bet on Canada  —  KITCHENER, ONT.  —  Google Inc. GOOG-Q unveiled its new Kitchener-Waterloo offices to the public, completing the transformation of what was once a tiny corporate outpost into perhaps the search engine's most important hub outside the United States.
Robin Wauters / TechCrunch:
Khosla Ventures Is Raising, Like, A Billion Dollars  —  Venture capital firm Khosla Ventures is raising $1 billion for its new fund, Khosla Ventures IV, an SEC filing reveals.  From the looks of it, the new fund will be roughly the same size as the previous one (raised in September 2009).
Discussion: GMSV
Todd Haselton / BGR:
Samsung Galaxy Tab 10.1 pre-orders start at $499.99  —  Samsung's Galaxy Tab 10.1 Android Honeycomb tablet is now available for pre-order from J&R. The 16GB tablet is priced at $499.99 while the 32GB version will set you back an additional $100.  Here's a quick rundown of its specs …
Robin Wauters / TechCrunch:
Paper.li Upgrades Social News Curation Platform, Adds Eric Hippeau As An Advisor  —  Paper.li this morning announced new curation and management capabilities for its publishing platform, which basically allows individuals and publishers like HBO create personalized online newspapers …
Discussion: SAI
Barry Schwartz / Search Engine Land:
Google Launching Social Search In 19 New Languages  —  Google announced they have begun their international rollout of Google Social Search, which launched in October 2009.  —  Social Search is being pushed out to 19 new languages over the upcoming days and weeks.  Google promises even more languages in the near future.
Christian Zibreg / 9 to 5 Mac:
Yahoo! Messenger brings cross-platform video calling to iPad 2  —  Fans of the Yahoo! Messenger messaging platform can now enjoy video calling on iPad 2.  The version 2.1 update, now available free from the App Store, is a universal binary that supports both the iPhone's smaller screen and iPad's larger canvas.
Jim Dalrymple / The Loop:
Lawsuit claims AT&T overcharges iPhone data users up to 300%  —  A new lawsuit alleges AT&T is regularly overcharging iPhone and iPad customers for data usage, in some cases up to 300% more.  —  Lawyers for the lawsuit said they spent $80,000 testing devices in preparation for their day in court.
 
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 More Items: 
Stephen Lawson / Computerworld:
Intel's Sean Maloney comes back to tackle mobile
Chris Davies / SlashGear:
Dell Streak Pro Honeycomb slate dropping June with Tegra 2 T20?
Josh Constine / Inside Facebook:
1.65 Billion Likes of TV Shows Indicates Facebook's Importance to Television
Discussion: Lost Remote
Tyler Hall / Click On Tyler:
Experimenting with Piracy - An Indie Mac Developer's Perspective
 Earlier Items: 
Dan Frommer / SAI: Silicon Alley Insider:
Shopkick Scores A Big Deal With The CW
Discussion: GottaBeMobile and New York Times
Kara Swisher / BoomTown:
Video: Omniture Founder Josh James Talks About $10M Funding of Hot, New Start-Up-and Hotter Legal Cat Fight With Adobe
Discussion: Digits and silicontap.com
Sarah Lacy / TechCrunch:
Attn Entrepreneurs: Mark Zuckerberg Isn't the Role Model. Reid Hoffman Is.
Discussion: Associated Press and PE Hub Blog
Matt Rosoff / SAI: Silicon Alley Insider:
Bill Gates: “The PC Is The Tablet”
Discussion: GottaBeMobile and SocialTimes.com