The weekly look at the world of information technology with Lesley Judd and Fred Harris. This week's programme includes a visit to Salt Lake City, Utah, headquarters of the Mormon Church. The  Mormons believe that if they convert you to Mormonism, they will convert all of your ancestors. This has led them to create the largest genealogical database in the world. They are now transferring all this information onto a computer network so that it will be available to everyone with a home micro.