Who'll control the video streams?

More and more players are muscling into position to dominate video on the Web

The Internet is not much of a TV medium today. Too little bandwidth and too many creaky home computers make the Web a hostile environment for video. But many Web watchers expect the Internet to eventually take its place alongside broadcasting, cable and home video, streaming all kinds of programming for millions of mouse potatoes glued to their computers.

Enticed by that prospect, video-minded Web companies are circling each other, positioning themselves so that they are in the bes