What you should do: If your phone is "unlocked," meaning you can use other providers, get an international SIM card.
Because all the digital music that Amazon sells is unlocked, meaning that it can be shared limitlessly with friends.
Technically, the phone is sold "unlocked," meaning that you don't have to use T-Mobile; if you like, you can insert the little account card from an AT&T phone or, when you're traveling, from an overseas cell carrier.
It will sell for $179 with a two-year service plan, or $529 unlocked, meaning free of plans and service fees.
All the 3G iPads, however, will be unlocked, meaning they can be used on other carriers as well.
Starting today, Google is offering a development version of the G1 that is both SIM and hardware unlocked, meaning no more nagging at T-Mobile and waiting for ages to receive an unlock code.
On average, fewer than 10percentt of people subscribe to and unlock communication, meaning 90percentt of people can't respond to your emails.
A simple five-digit Pin unlocks the app, meaning you can fire it up and be checking your balance within about 10 seconds, even with a 3G connection – as long as you can remember your Pin.
You probably remember teaching assistants from your college days: older students who helped make clear what was blurry after a big, hourlong lecture, coaching you in discussion groups to unlock the meaning of "Paradise Lost".
A common prescription to literature is to understand the form, devices, and rhetoric in order to unlock the meaning from the words.
