I tried to find it, but I can't. Years back I recall a case, I think involving an app like Trillian, where they sued and won on the basis that they should be al

I tried to find it, but I can't. Years back I recall a case, I think involving an app like Trillian, where they sued and won on the basis that they should be allowed to handle AIM messaging with native or near-native API access. Sorry, wish I had a source, as now I'm unsure whether this is true or just something I'm mis-remembering.