Both Schock and Owens said they expect to be exonerated by the House committee.

WSJ: Committee investigating NY, Illinois congressmen

Schock's case involves an allegation he asked House Majority Leader Eric Cantor, R-Va.

WSJ: Committee investigating NY, Illinois congressmen

Schock was weighing a bid for governor at the time.

NPR: 4 min 12 sec

By the time the approval came, it had a new name, the more generic Jobs and Progress Fund, and it was running ads attacking Republican Congressman Aaron Schock, two states away in Illinois.

NPR: 4 min 12 sec

Joyce, of The Bradford Group, and other advertisers interviewed for this article declined to specify the exact conversion rate, but Schock, of Google, puts it this way: The higher up a company is ranked in the search query and the higher the frequency of consumers Googl-ing a certain term, the better the chances of landing a sale.

FORBES: Royal Wedding Search Frenzy Hits Google