I don't see it catching on - it's so obvious that if it was a good idea someone would have done it.

> using the interconnectedness ("web") of most computers in the world.

So it'd be a World Wide Web? what an interesting idea that would be - one problem I see is that such a product would be open enough that large companies would hate it and would prefer if the web collapsed down to a handful of products, they'd have to control the browsers and invade privacy to sell advertising to afford it though so it'd be self limiting because I can't imagine users would go along with that level of their privacy been invaded.