Ubuntu Vibes shows you how to install the latest version of Chromium Browser in Ubuntu
Chromium Browser has already reached version 21 but there is no easy way to install it on Ubuntu.How to Install Latest Version of Chromium Browser in Ubuntu
While deb packages for all three Google Chrome channels are readily available, Chromium PPAs have not been updated in log time with last version being 18.
Ubuntu's default browser Firefox receives official updates when there is a new release, but same is not the case with Chromium which will only get updated on a new release of Ubuntu.