well .. i use facebook and twitter both. there is lot of difference between facebook and twitter.facebook helps you to find new friend stay touch with old friend.i find some school friend in facebook , with them i didnt have any conecton. facebook gives you update status, photo, notes, group, fan club, comment very where and a complete social networking
oh the other hand twitter is completely different work.its just gives you 140 word to update your status..
facebook good for social networking