Zuckerberg's Big Tax Bill May Benefit Facebook  —  Few billionaires are willing to reveal much about their taxes.  —  But the Facebook co-founder Mark Zuckerberg has indirectly done so in the documents for his company's public stock offering later this year.

It's Not Whether Google's Threatened.  It's Asking Ourselves: What Commons Do We Wish For?  —  If Facebook's IPO filing does anything besides mint a lot of millionaires, it will be to shine a rather unsettling light on a fact most of us would rather not acknowledge: The web as we know it is rather …

Accidental espionage: how iMessage conversations end up in the wrong handsets  —  Terrifying tales have surfaced recently of unsuspecting iPhone users that have had their private conversations swiped by thieves or intercepted by accident, and through our own independent test we've confirmed …

Apple Kicks Chart Topping Fakes Out Of App Store  —  Temple Jump, Tiny Birds, Numbers With Friends.  These are not the apps you love.  They're fakes designed to scam you out of $1.99 when you go to buy Temple Run, Tiny Wings, or Words With Friends.  Today Apple took a stand against plagiarism …

Yahoo unveils app search page for Android and iOS, because we need it  —  Yahoo may be sliding down the search engine totem pole, but the company is doing its best to climb back up, with a new space dedicated to apps.  This week, Yahoo added a new “Apps” tab to its search page …

Motorola wants 2.25% of Apple's sales in return for license to standard-essential wireless patents  —  In my previous post (on Motorola's lawsuits against the German Apple Stores), I said that a statement by Apple's counsel at yesterday's Mannheim trial made me aware of a discovery request …

Windows Phone developer lead leaves for Amazon's Kindle team  —  Summary: Brandon Watson, head of developer experiences for Windows Phone, is the latest exec to leave the Microsoft's phone unit.  —  Brandon Watson, known to many Windows Phone developers as head of the WP Developer Experience, is leaving Microsoft for Amazon.

Las Vegas: Startup City  —  Zappos founder Tony Hsieh is spending $350 million of his own to make Sin City a startup hub  —  The history of Las Vegas is full of determined men with outsize egos and grand plans.  There was Bugsy Siegel in the 1940s, envisioning a gambling mecca in the desert, away from the reach of law enforcement.

Microsoft testing Skype Windows Phone client, expected at MWC  —  Microsoft's Skype division is currently testing an initial Windows Phone client, expected to debut very soon.  That's the word from several sources who have confirmed that Microsoft employees are able to download a test version …

Bing — Which Has Deals With Facebook and Twitter — Finally Speaks on Social Search Controversy  —  While Google has endured criticism for biasing Google+ content in its new “Search Plus Your World” features, Bing has been surprisingly shy about pressing its social search advantage.