Paid search has cemented itself as a highly viable, cost effective marketing channel. In 2011, paid search spending is expected to reach $34 billion. Worldwide, paid search is a $34 billion industry. In this graphic, we’ll briefly explore paid search—it’s current state, where it’s going, and how the largest paid search venders (Google & Bing) have divvied up the market. Data courtesy of efrontier.com and magnaglobal.com.