Google Ventures has invested in a paid search marketing firm called Trada . Google Ventues has invested $5.75 million in Trada, along with Foundry Group , which previously invested $2.2 million in the company. According to Trada's description of itself , it allows advertisers to create a new paid search campaign in Trada, then PPC experts are alerted to the campaign and decide if they'd like to work on it. Ads then begin running on Google, Yahoo,