I'm not the least bit interesting either. "Woke up." "Read a little." "Played with my cat," would be my posts were I to use Twitter to announce the events of my life to the world.
Instead, I decided to use Twitter to post "stories." Twitter fiction's an interesting challenge and a few other writers are also giving it a shot. You can start with mine
http://twitter.com/ellipts. If it ain't your cup of tea (no offense taken; they're a fucking pain to write and maybe not even worth the sweat), you can investigate some of my followers/following in case someone else's efforts grab you.