If you thought live streaming was the obvious next step for the Pivothead video glasses, you're not alone. We, for one, thought it immediately upon donning the HD-recording eyewear and the company's Zach Barbitta couldn't agree more. The proud rep was on hand at tonight's Pepcom event demoing a brand new prototype accessory that will hopefully hit the market in three to five months and enable you to stream video straight from your 8MP sunglasses to the web, anywhere there's a WiFi signal. The device is so early in the development stage that we don't have many details about it. The final package should be roughly the size of a small por