Google says it is ready to help Web sites run video advertisements, putting the Web search leader
into competition with television for the biggest chunk of ad spending.
The company is seeking to take the pay-per-click model it refined for text ads and apply the approach to video, cleaning up a nascent market where irritating ads that appear uninvited over the main text and then disappear distract users and limit advertisers’ desire to spend money on the medium. CNN.com - Google plugs into video advertising - May 23, 2006