Often while researching bitcoin I come across people talking about bitcoin being the revolution to a new, later coming, currency. Gavin often says in his own interviews, we think something like this will be the currency of the future.
I caught him speculating otherwise. Recorded by Amherst Media on February 8th 2011
"There is a small possibility that in 50 years it just might replace the dollar as the worlds reserve currency. It might happen." at 4:45 http://www.youtube.com/watch?v=koIq58UoNfE
Also see from 22 Aug, http://twitter.com/#!/gavinandresen/status/105820119946629122
"Latest fad in part of the #bitcoin world: invent your own bitcoin-like currency. Hasn't everybody already heard of the network effect?" http://en.wikipedia.org/wiki/Network_effect