It needs a more lightweight interface, dont let it to become just bloated like facebook, about com, or yahoo answers.

I like the voting system with + and - to add or discount points, but maybe something a little bit more advaced just like www.stackoverflow.com would be great.

OpenId login, it's a must-have and most-wanted feature for every community website nowadays.

Please, don't let it to become a bloated website. Nobody needs "instant messaging" capabilities on every website they visit. Don't populate all the pages with advertising.

1)Bring more users.
2)Bring celebrities (like Yahoo! Answers)
3)Avatar? (Another Yahoo thing)
4)Offer categories AND tags.
5)An Arabic interface.
6)Polls & questionnaires.
7)Fix your technical bugs (Yes you do have bugs).

to be the ultimate learning source?! Always have the attitude to kick the ass of Yahoo! Answer.