![](https://www.beet.tv/wp-content/uploads/2013/03/517217575_18-214x150.jpg)
TubeMogul, a media buying platform for online video advertising, has found a dramatic, industry-wide increase in pre-roll advertising inventory sold over exchanges.
Sales are booming with a thirty-five percent, month-over-month increase, says Keith Eadie, Senior Director of Marketing, citing his company's industry study.
We spoke with him earlier today in the Beet.TV studios.
Andy Plesser