The amount of 21,9 million dollars in a Series B funding was raised from iSpot.tv, an ad measurement startup. The company tracks and measures when and where national TV ads are running, and at the same time determine when those ads drive consumers to respond via Facebook, Twitter, YouTube and search. iSpot.tv has raised totally more than 27,.5 million dollars in total funding. The new round was led by Insight Venture Partners and the participation of Madrona Venture Group.