Paid search to generate $2.6 bln in 2004, $5.5 bln in 2009

Paid search will continue to grow faster than any other sector of online advertising, increasing from $2.6 billion in 2004 to $5.

Paid search will continue to grow faster than any other sector of online advertising, increasing from $2.6 billion in 2004 to $5.5 billion in 2009, according to Forrester Research.