Facebook’s f8 conference kicks off today, battling Google+ for the social networking limelight this week.  With Zuckerberg preparing to take the stage, we have the live keynote stream below.  It’s the fourth annual f8 conference, highlighting Facebook’s growing platform around social networking and beyond.  As the Facebook profile becomes more prevalent in daily interactions and its platform builds out its own ecosystem, we’re sure to hear something exciting from today’s events, with rumors of NFC integration and more.  Be sure to check in to SiliconAngle regularly for updates, analysis and reviews.  Leave your comments and questions below!