BitTorrent Inc. Introduces Ad-Supported Downloads
However, if you have a half-decent revenue model, such as advertising, revenue easily offsets the bandwidth costs of distributing video from a central server over HTTP, so why put your users through the pain of having to install a piece of client software?
BitTorrent's problem is that anyone that can afford to pay them for their services can probably afford to distribute their content over HTTP from a centralized server, and why wouldn't they given the much lower barrier to entry for their users?
lines 5-7: warning: redundant paragraph.
lines 1-3: point previously made here.