John Turnbull joined BT in 1973, successively working on customer products, video-conferencing terminal equipment and new payphone terminals. He has worked on interactive TV trials, involving set-top box development and integration, multimedia terminal trials and early Midband ADSL trials. This work supported the launch and roll-out of the broadband ADSL service. He then led the Multimedia Terminals Group involved in further developments to support broadband, development of in-home networks, and the Easylife Home project. More recently, he has taken an organizational role in the Terminal and Applications unit and runs the Home Infrastructure Special Interest Group. Simon Garrett heads the New Service Development team for Internet and multimedia products in BT. Previously he has led a wide variety of product developments in IT, telecommunications and consumer electronics. These have included e-Business, trust and security products, interactive TV services, electronic funds transfer, and screen-phone services. He was the designer of BT's Caller ID service and was one of the videotex pioneers He is also a consultant for the European Commission, and has chaired several government advisory committees for technical issues such as cable TV policy.