On the whole though, most people I've spoken to try to warn me that the whole thing could be a scam. I mention the word decentralised and they just look at me funny!
I figured we better use more commonly known terms instead of technical ones, something like:
Bitcoin - first independent global Internet currency!
Also I convinced one guy by sending him link to the "American Dream" YouTube video
http://www.youtube.com/watch?v=ZPWH5TlbloU
But sometimes it's better talk pure business instead of being antagonistic towards something.
If you're talking to an online store highlight small fee, worldwide use and no chargebacks.
My 2 bit cents.