Now Playing: 5-15-13 Marketplace Tech: Google I/O kicks off

Today marks the beginning of Google's three day conference for developers, called Google I/O. Last year the company unveiled its tech-boosted spectacles, Google glass. It was perhaps one of the most extravagant unveilings in tech history -- glass-wearing Googlers streamed live video of themselves jumping out of a plane and riding into the convention on trick bikes. Plus, a look at TV's Upfronts, where the major networks unveil new programing for advertisers.