How to let more people know about www.last.fm
It made me
indifferent 
"most/all of my friends have last.fm's now. i'm not entirely responsible, but i'm responsible enough."
How I did it: basically whenever i was talking about music tastes with anyone i'd mention it. the women i work with at a bookstore use it for it's tag radio feature now, and i generally send people links to mine if they need to see every band i listen to. which isn't often.
