Google CEO Eric Schmidt said in a Wednesday interview with Reuters Television that "acquisitions are turned on again at Google" and that Google would seek to acquire at least one small company a month going forward.
"My estimate would be one-a-month acquisitions and these are largely in lieu of hiring," Schmidt said.
After years of steady acquisitions of small, largely privately held companies, Google's pace slowed considerably in 2009. But apparently, the heat's back on. From YouTube to the recently acquired On2 Technologies and reCAPTCHA, here are 12 notable Google acquisitions -- out of 55 Google's made since early 2001 -- and how they've helped the Web search giant.