Twitter Testing Major Profile Redesign That Looks a Lot Like Facebook  —  Twitter is testing a major profile redesign that's very reminiscent of Facebook and Google+.  Mashable assistant features editor Matt Petronzio spotted on Tuesday a huge update to his Twitter profile page …

Google's $3.2 Billion Nest Acquisition Is Now Final  —  Google said in a regulatory filing this morning that it closed its acquisition of Nest on February 7.  —  The $3.2 billion cash deal brings the smart thermostat and smoke-detecting hardware company and its team — led by Apple's former iPod head …

Sources: mobile app store GetJar acquired by Sungy Mobile for over $50M  —  Exclusive: GetJar, an early app store maker, has been acquired  —  GetJar, a San Mateo, Calif.-based company that once was viewed as the king of mobile app distribution, is in the process of being acquired by Sungy Mobile Limited.

Steve Jobs time capsule dug up after 30 years: Exclusive video  —  Lost Steve Jobs mouse found after 30 years  —  For 30 years, a potentially priceless piece of technology history was lost somewhere beneath Aspen, Colo.  —  At the Aspen International Design Conference in 1983 …

Mac Pro ship date slips to April as profiteers mark up computer 50% or more  —  Supply-demand mismatch gets worse, not better, for Apple's dark tower  —  Apple continued to have problems meeting demand for its radically redesigned Mac Pro desktop computer, with ship dates today extending into April.

Dropbox Outlines Its Principles For Handling Government Data Requests  —  Joining other leading technology firms, Dropbox today detailed the number of national security requests it received in the preceding 12 months for user data of its customers: 0-249.  —  While Dropbox applauded …

Dutch police seize hidden online marketplace Utopia  —  The Dutch National Police seized the hidden market place Utopia, which was used to sell illegal goods, the Dutch Public Prosecution Service said Tuesday.  —  Public Prosecution Service spokesman Wim de Bruin declined to say how the hidden site …

EU Pushes to Globalize Internet Governance  —  European Commission to Propose Steps to Curb U.S. Influence Over Key Web Functions  —  BRUSSELS—The European Union's executive body is raising pressure to reduce U.S. influence over the Internet's architecture amid what it called weakened confidence …

Open-source video platform Kaltura scores $47M  —  Kaltura, an open-source video platform, raised an additional $47 million in funding today.  —  The company's platform is based on open-source software that enables its clients to host, publish, manage, monetize, and analyze video content.

Microsoft's Mobile Muddle  —  Saying “Microsoft missed mobile” is a bit unfair; Windows Mobile came out way back in 2000, and the whole reason Google bought Android was fear that Microsoft would dominate mobile the way they dominated the PC era.  It turned out, though, that mobile devices …

Xbox One will get multiplayer tweaks and headset accessories ahead of ‘Titanfall’ release  —  Early March update improves party chat and friends list features  —  As an Xbox One system update rolls out this week, Microsoft has revealed more details on the multiplayer-focused improvements coming to the console next month.

28 Days of Fame: The Strange, True Story of ‘Flappy Bird’  —  In just a few weeks, the mobile app Flappy Bird became a global phenomenon.  It was a simple game, but frustrating and endless.  Sharing many similarities with the famous Helicopter Game — only with Super Nintendo-style graphics …

Hacked X-Rays Could Slip Guns Past Airport Security  —  PUNTA CANA, Dominican Republic — Could a threat-simulation feature found in airport x-ray machines around the country be subverted to mask weapons or other contraband hidden in a traveler's carry-on?  —  The answer is yes …

Facebook: 200M people have watched their Look Back videos  —  For its 10-year anniversary, Facebook gave each of its members a one-minute video set to music that featured their top social-networking moments.  The company said Tuesday that nearly 200 million people have watched their “Look Back” videos.

The Rise of the Facebook Truthers  —  Journalists will believe anything about the social network, as long as it's totally outlandish.  —  Something about Facebook makes journalists lose their minds.  How else to explain the seemingly unending procession of stories based on wild speculation and implausible conspiracy theories?

Alibaba Backs New E-Commerce Site 11 Main, Big U.S. Splash Still to Come  —  Alibaba Group confirmed on Tuesday that two of its subsidiaries are creating a new U.S. e-commerce site called 11 Main, which will be a marketplace for local merchants to sell their goods online.

Google Deal Machine Ramps Up to Pass Intel in Top Spot  —  Google Inc., the company that leads Internet search, has gained a new superlative: top dealmaker.  —  From buying a digital-thermostat developer to selling a mobile-phone business, Google has executed more deals than any company …