Facebook and Tweeter - bad idea.
With Semantic Web revolution approaching all these fragmented social networking web sites will vanish. There will be just one global semantic web database, one global user pool connected by semantic properties.
Google with its primitive keyword search will be irrelevant and it will vanish. Semantic search will be 1000 times more intelligent and it will be done by simple AJAX widgets.
Adobe, Sony, Time Warner, Verizon, AMD - these are...