Boy, this brings back some memories. The New York Time's review of the web browser Mosaic, from waaaaaaay back in 1993. Here, in their estimation, are the top things available to those with the 'killer app':
'Click the mouse: there's a NASA weather movie taken from a satellite high over the Pacific Ocean. A few more clicks, and one is reading a speech by President Clinton, as digitally stored at the University of Missouri. Click-click: a sampler of digital music recordings as compiled by MTV. Click again, et voila: a small digital snapshot reveals whether a certain coffee pot in a computer science laboratory at Cambridge University in England is empty or full.'
[via kottke]