"Many years ago, when this project was first started, it was called 'GTK+ AOL Instant Messenger.' AOL naturally complained, and Mark Spencer changed the name to 'Gaim.' AOL was appeased, and no one really ever heard of it because there were very few users back then.
"A few years passed, AOL trademarked 'AIM,' and started refering to their
IM services under that name. They complained. The issue was brought up
on Slashdot, and the developers at the time got some legal support..."