Just throwing this out there for futures guys who are on twitter. Rather than use $ES_F $NQ_F, etc. how about adding the letters "fut" to whatever future your tweeting about. $ES_F would be $ESFUT and so on... I am only suggesting this because that stupid underscore character returns all kinds of non-futures related posts. Or keep the current system, I don't really care I just think this change makes searches easier.