Casper here agian. As I am interested at CoinChat. And so i created an interactive not-too-smart-not-too-dumb chat bot on it (
http://glados.cc/coinchat/), which is serving people in group #moobot .
There are some features I have done and still thinking what i could add.
DONE:
Jokes
Random reply on things like hello
Some common phrases
BTC Ticker
Convert BTC LTC Currency with even they are stick with those prefix (eg mBTC)
Finding Youtube Video
Accepting suggestion (I might tip you on CoinChat if you got a good one)