Travis, from the blog That Trip Cray has been backpacking across Southeast Asia using nothing more than an iPhone 4S and a bluetooth keyboard. Not only he proves that you don't need an unlocked iPhone to have access to the Internet, but that a smartphone works just as well as a full-fledged personal computer -- he's even updating his blog with it.
I really don't understand it when I see other backpackers carrying around 15" full-purpose laptops, power adapters, and mice with them at hostels. That's an absurd amount of overhead for any type of traveling and does not embody the spirit of packing light.
Up to now, I've had a handful of other travelers comment on how much sense it makes, many of which are stunned that the iPhone even supports bluetooth keyboards. I hope this sort of thing catches on, as I doubt I'm the only one to do something like it.
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