Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News

"Our goal is not to build a platform," Zuckerberg says, "It's to be across all of them." And he alludes to Google+, dismissing it as a "little version of Facebook." Shots fired! If you missed the chin wag between public television's Charlie Rose, Facebook COO Sheryl Sandberg, and its CEO Mark Zuckerberg Monday evening--and are hankering to hear more on the idea of a four-way war between Amazon, Apple, Facebook, and Google--watch it here .

Which social networking innovator wrote what, when he ventured onto someone else's platform? Click to get the answer for each quote. Tom Anderson is currently active (and quite popular) on Google+ .

Rob Mason was, until recently, a lowly designer of third-party Facebook apps. Now he's at Facebook, where he's designed the most exciting new feature in recent history. He gives us the scoop on how he made it do just one thing--well

When Google executive chairman Eric Schmidt said recently that a "gang of four" rules today's tech industry, he notably left out Microsoft, arguing that Google, Apple, Amazon, and Facebook control the landscape. Here's why he's wrong. The parallels between Microsoft and Facebook have always been strong.

If you love watching two tech titans have a catfight, this is your month so far.

Mark Zuckerberg most popular on Google+, small businesses still struggling, Amazon launches pet store, and more. Mark Zuckerberg dominates Google+.

Tween social network Everloop has developed a range of parent-friendly features that could become the groundwork for Zuckerberg's inevitable foray into young social networking.

A new social network, MyCube, thinks that we devalue our information when we give it away for free. Founded by Swedish entrepreneur Johan Staël von Holstein, MyCube offers users the chance to monetize their data, through advertising or a system of "nanopayments." Johan Staël von Holstein doesn't seem to like Mark Zuckerberg. "I have 5,000 friends on Facebook," says the Swedish-born entrepreneur , who lives in Singapore, but was about to board a flight from Barcelona to Germany, and then to Dubai, when we spoke by phone

Facebook has only seen 50 million Groups created after six months. CEO Mark Zuckerberg has called grouping friends "the biggest problem in social networking." This is the secret sauce in Deals

Fifty years ago today Yuri Gagarin became the first human ever to journey into space --a symbolic moment that psychologically, technologically severed the human race into those who lived before that moment, and after it. Google has a special Doodle for the occasion, and Gagarin-mania and space-themed posts will be everywhere today. Poyekhali ! 1.