Features can be products as Twitter and Wufoo show. I think the power of them is that they're extremely focused. If you're on Facebook, you have more than one thing to do and probably won't use the status updates much. But if you're on Twitter, you're there to update your status and that's it.
#5 is messed up. He did 1337 speak instead of doing the prpr thng lk ths. Fscntng hw mch smllr wrds lk.
#5 is messed up. He did 1337 speak instead of doing the prpr thng lk ths. Fscntng hw mch smllr wrds lk.