The following is not a good solution, but has helped in a pinch, during a past trip.
Borrow usage of a PC at some libraries (free), or at a Kinkos (pricey).
I realize this is old news to most booklovers.
Many public libraries have PC's, with internet access, which public can use, for say 30 minutes (it varies). They often have waiting lists; but we've had luck with dropping by during the middle of a weekday -- a time when others at work or in school classes.
This is less likely to work if visiting an area where the government is bankrupt. Also unlikely in small villages.
The library PC's may have a reservation system that require a local library card (which travelers don't have), but you may get a librarian to override that for you, if you avoid busy times.
More limitations and caveats:
Libraries typically have filtering and blocking of some web sites, out of concern for kids, etc. In addition, they might also block online auction sites and movie sites, etc. I've heard a librarian comment that they had issues with some fanatics addicted to online auction sites (e.g. e bay), and that it was difficult to pry them away from PC, even when time limit expired.
Of course, the librarians want the PC's to be available for students doing online research, and for unemployed doing online job applications. Some libraries permit use of email sites and some do not.
The solutions suggested by others are surely better than this, but remember the library and Kinkos if facing an unexpected hardware breakdown.
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