Tongal’s site for crowdsourced ad videos raises $15M January 13, 2013 7:26 PM Dean Takahashi Dean Takahashi Twitter Profile Recent Stories: Source confirms Intel’s big score: Samsung tablet using an Atom chip The DeanBeat: Microsoft and Sony should escape binary thinking Activision’s Eric Hirshberg bets that 40M Call of Duty fans will follow him to Xbox One (interview) Tongal lets amateurs offer ideas for ads for big brands.