There is a nice project called WebTorrent ( which allows using Torrent protocol in the internet browser.
One can reduce data transfer by using torrent as a CDN or render webpage from a torrent:

OR share files:

Two users on the internet can establish torrent connection between them (peer to peer / P2P) and share a file.

Here are implementations/tools to share file directly. Try: (Streaming file transfer over WebTorrent) (MS Windows application based on P2P torrent file sharing)

------------ - ZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network - page running thru Zeronet