The story goes like this. You decide to travel to a foreign country and while there, you normally use your phone. When you return home, the bill is waiting for you. And what a bill is that. Roaming costs killed your dreams of buying that new thing you wanted to have…
Yes, the roaming costs can be as large as hundred bucks a day. Carriers seem delighted to see you travelling around with your local cell phone number. But you should know better – while you’re visiting the other country, get yourself a temporary SIM card…
Anyhow, The New York Times as a great article on the subject. They even explain the basic differences between GSM, the single most used mobile technology in the world, and CDMA, mostly used in the States.
A must read for both frequent and casual travellers.