feross/webtorrent — pull request #199 by sindresorhus (2014-12-05 10:07:39+00:00)
Title: use base-10 file sizes

It's more natural for users. It's the unit used in OS X and most torrent apps like Transmission.app.

http://pacoup.com/2009/05/26/kb-kb-kib-whats-up-with-that/

https://github.com/sindresorhus/pretty-bytes