Google is about to start accepting video content from the public for its Google Video service, a system now in public beta testing that lets anyone search a variety of TV clips by keyword.

The service returns excerpts of show transcripts grabbed from closed-captioning feeds and still images captured from the shows' footage, but it doesn't provide actual video clips that users can play back.

"In the next few days, we're actually going to start taking video submissions from people, and we're not quite sure what we're going to get, but we decided we'd try this experiment," said Larry Page, Google's cofounder and president for products.

Page didn't provide any other details of the plan, but Google a spokesman said that more information would be available in a few days.