Facebook puts friends on the spot with relaunch of Questions

Just how knowledgeable are your friends? Because Facebook's relaunching its Questions Q&A site to give more prominence to information from friends, and less to answers from the general public.

Dalai Lama to hold Twitter chat today

The Dalai Lama is to hold his first Twitter conversation today, bringing spiritual sustenance to Buddhists in China in 140 characters or fewer.