Jez Nelson reports on the invention which lets people around the world write, record and play music together without leaving their own front rooms. Former Eurythmics star Dave Stewartjoins members of the public in the first televised global music session.
Professor Susan Greenfield reveals how our memories could be copied onto computer discs. Presented by Peter Snow and Philippa Forrester, with Craig Doyle and Anya Sitaram. Producer Jonathan Renouf
Editor Saul Nasse FURTHER DETAILS: Ceefax p623, the TW Information Line on (0181) [number removed]. or WEB SITE: www.bbc.co.uk/tw