I haven't been able to pin-point when exactly it happened, but Ubuntu-developer Canonical has introduced a donation suggestion page that prefaces the download of the desktop version of Ubuntu. While it's not uncommon for open-source projects to openly accept donations to help fund them, Canonical's move here is much more obvious, and even a bit creative.
You can read the rest of our post and discuss here.
You can read the rest of our post and discuss here.