Google's venture capital arm invested $4.5 million of the $5.75 million in funding Trada banked July 21 as part of its plan to expand its business overseas. Trada offers a crowdsourced paid search marketplace for those who want to spend $5,000 to $50,000 per month in advertising online. Paid search experts help the advertiser come up with a good AdWords campaign and these "optimizers" interface with the ad platforms of Google, Yahoo and Bing to build the campaigns.