This document provides an overview of the online video landscape. It notes that while TV viewing is still prominent, behaviors are changing as viewership fragments across multiple screens. Nearly 60% of US households now have broadband access and online video streaming is growing rapidly. Younger demographics are more likely to watch online video. Popular online video sites like YouTube see billions of views monthly. The document also discusses how online video provides opportunities for targeted and measurable video advertising compared to traditional TV. It predicts online video advertising spending will continue growing substantially in coming years.