Hollywood's biggest stars are all a-Twitter with technology

— -- Ashton Kutcher and Demi Moore post daily, sometimes hourly, musings on Twitter. So does their pal Soleil Moon Frye. Lisa Marie Presley relies on Celebrity MySpace to communicate with her fans. Other stars, including Kathie Lee Gifford, say they don't know how to use, or spell, Google. USA TODAY rounds up who talks tech, and who doesn't.

Our tech I.Q. scale

Four mouses:Web whiz; Three mouses:High-speed connection; Two mouses:Still downloading;One mouse:Not connected