Automation is convenient! Robots can easily do repetitive and tedious tasks.
See the leaderboard of people who poke a bot that returns pokes automatically
Bots on Twitter
@_grammar_ corrects users' grammar. It was suspended many times.
[no account yet] spews a stream of random words.
@recentideas learns to tweet from recent tweets.
@prosegen generates sentences from a grammar.
@googuns_lulz is like other @googuns_ accounts, yet very different.
@BingTomorrow can see the future! It can predict Bing's homepage image for tomorrow.
@Bot_Dictionary corrects users' spelling. Its output rate from random searches is quite low.