I remember when I was doing my bachelor thesis project on Mono, how uncertain the future of Mono was. While I was finalizing my report, I heard that Attachmate had acquired Novell, and was to close down the OpenSUSE and Mono divisions. At that point I was a bit scared if I will have to do the whole thesis again.
When Karmic (Ubuntu 9.10) came out I installed it as my main OS, due to solvable but time eating problems I decided to go back to Windows 7. The biggest problem I had was with Adobe Flash.
For about a decade I have been using Yahoo! as my default mail. I found a script that could strip the email address and point it to Yahoo! Mail.
I have a big archive of bookmarks in Windows .URL file format. Under gnome I couldn't find a way to open the link automatically out-of-the-box.