Dan Primack / Fortune:
Facebook increases IPO size (again)  —  Facebook adds 25% more shares.  —  FORTUNE — Facebook has significantly increased the size of its initial public offering, just two days before it is expected to begin trading on the NASDAQ.  —  According to an amended registration document …

Amar Toor / The Verge:
Windows RT browser exclusion draws attention from European, US regulators  —  The European Commission this week announced that it will be keeping a close eye on Microsoft's Windows RT operating system, in response to Mozilla's complaint that the forthcoming platform excludes third-party browsers.

Wall Street Journal:
Apple Moves Toward Larger iPhone Screens … As Apple prepares for a launch of a new iPhone later this year, people familiar with the situation say the company is planning for a larger screen.  Above, the Apple store in Hong Kong.  —  HONG KONG—Apple Inc., which is expected to launch …

Dai Pham / Google Mobile Ads Blog:
New research shows 6 countries are the clear leaders in smartphone adoption.  Do you know which ones?  —  As smartphones grow in number and importance, finding good data to understand mobile consumer behavior is increasingly important for businesses.  Today we are launching the new 2012 …

Nate Anderson / Ars Technica:
Admitted file-swapper begs Supreme Court for help  —  Says RIAA sought huge damages to create an “urban legend.”  —  Supreme Court, debunker of “urban legends”?  —  Flickr user TexasGOPVote.com  —  “Joel Tenenbaum is a fine and courageous young man who has just received his doctorate …

Faith Merino / VatorNews:
Social ad spend expected to reach nearly $10B in 2016  —  A report from BIA/Kelsey forecasts social ad spending to grow by 21% a year  —  As a testament to the fact that social media is hotter than ever, social ad spending is predicted to reach $9.8 billion by 2016, according to a forecast released Tuesday by BIA/Kelsey.

Matthew Panzarino / The Next Web:
Google finally adds ability to save home and work locations to Google Maps  —  Setting up a location for home and work and saving them in your address book is one of the most helpful mapping tips I can give anyone.  Google apparently agrees, as it has now added the ability to save Home …

Ricardo Bilton / VentureBeat:
Sweet music: Smule brings popular Songify app to Android  —  Mobile app development nowadays seems to be be following a fairly regular pattern: Create an infectious iOS app, wait until it gets insanely popular, then launch an almost identical version for Android.

Robin Wauters / The Next Web:
Europe's Square rival iZettle to ship 3,000 card readers to UK testers, warms up for summer launch  —  iZettle is one of the European companies doing what Jack Dorsey's Square is doing in the United States: trying to convince small businesses and individuals to take card payments with its mobile applications and a custom-built reader.

Liz Gannes / AllThingsD:
Interview: Imgur's Path to a Billion Image Views Per Day  —  Starting an image-hosting site in 2009 seemed like a silly idea.  It was a commoditized business, with lots of competitors.  A basic utility service was unlikely to inspire loyalty or give rise to a community that would make people stick around.

Shayndi Raice / Wall Street Journal:
Facebook's New R&D Machine  —  Fewer Half-Baked Products Without User Input; 'We've Gotten More Humble'  —  Mark Zuckerberg is taking a more measured approach for major features added to Facebook.  Above, a stencil of Zuckerberg at headquarters.  —  For years, Facebook Inc. chief Mark Zuckerberg led …

Steven M. Davidoff / DealBook:
China Flexes Its Regulatory Muscle, Catching Google in Its Grip  —  In today's globalized world, you can't avoid China, or so goes the cliché.  Google is discovering that it's actually true.  —  Following a dispute over censorship, Google largely abandoned mainland China two years ago …

Robin Wauters / The Next Web:
LinkedIn co-founder Konstantin Guericke joins the Earlybird VC flock as US partner  —  Germany's Earlybird Venture Capital is on a roll.  They've just moved operations to Berlin (PDF), raised $100 million for their new fund - target size $200 million - and a number of portfolio companies are doing very well (case in point: madvertise).

Om Malik / GigaOM:
For Facebook-boosted video apps, reality checks in  —  When Facebook made it easy to share what videos you were watching, companies like Socialcam, Metacafe, DailyMotion and Viddy rocketed up the app-charts and saw a sharp increase in the usage and downloads of these apps.

Ingrid Lunden / TechCrunch:
Twilio Calling: Cloud Telephony Startup Adds An Android SDK, Now Works On 75% Of All Smartphones  —  Cloud-based telephony API startup Twilio has made significant inroads into VoIP and other carrier services like SMS by launching products that work on the web and in iOS apps …