It'd be neat if there was a little message option for when you follow someone, so you can send them a note. They'd get a notification that said, "so-and-so followed you: you have really cool art and good taste in rechosts!"

Maybe I'll submit a feature request ¯⁠\⁠_⁠(⁠ツ⁠)⁠_⁠/⁠¯