Hi, this is François, from Mandriva.
I’m sure we’re way too small for you to know me. You know, we’re one of these tiny Linux company working hard for our place on the market. We produce a Linux Distro, Mandriva Linux. The last edition, Mandriva 2008 was seen as a pretty good version and we’re proud of it. You should give it a spin, I’m sure you’d like it. We also happen to be one of the Linux companies that did not sign an agreement with your company (nobody’s perfect).
Read the full thing at http://blog.mandriva.com/2007/10/31/an-open-letter-to-steve-ballmer/
I can see why he is pissed.