With Mountain Lion came Messages, Apple’s new version of iChat. The killer feature, of course, is that you can talk to folks on iOS or OS X right from your Mac, over the internet, without incurring SMS fees for those using an iOS device. I like it because I can chat with friends who are “texting” me during the day, but I don’t have to type on the smaller iPhone keyboard to do so.
But what about all those other IM services out there? Well, Messages supports AIM, Jabber, Google Talk, and Yahoo! messaging services, so you can run all your messages through the one app. It’s super easy to do, too.