Original yes, but it also launched only on AT&T in US as well and wasn't all that successful. The real uptick in popularity started with IPhone 3G (with AppStore) which was available world wide.
> I can't help but suspect that Jobs would have been happy to leave the iphone US exclusive if it had not been for the gray market of jailbroken phones.
Why wouldn't he want to sell it worldwide and make Apple significantly more money?