O Canada -- $11,000 in data charges on trip
Failure to do either of these could put quite the damper on your trip and as Adam Savage of Mythbusters found out cost $11,000.
After a recent trip to Canada AT&T sent Adam Savage a bill for a few hours of Internet usage totaling $11,000 and shut off his phone.
Why AT&T couldn't have simply shut off his data connection or sent him a text message in Canada, warning him about the increased fees before he accumulated enough to pay for four years of community college is beyond me.
Even though a kilobyte is a kilobyte is a kilobyte; these data charge horror stories pop up quite often.
Even though you can spit into Canada from several spots in the United States, AT&T has to pay a Canadian company to relay that data and it gets expensive, and quick. According to the AT&T World Packages page, depending on the country you are in and the prepaid plan you paid for, a megabyte of data could cost between $5-$20.
Before you leave the comfort of your hometown to venture off with your Web-enabled phone on any carrier, be sure to double check that you have turned off its data capabilities or you will be in for a big surprise on your next bill.
If you happen to have an iPhone you can check out these usage tips for traveling globally without breaking your bank from AT&T.
UPDATE: AT&T removed the charges from Adam's account after the incident became a trending topic on Twitter.