A Cellphone Without Borders

http://www.nytimes.com/2007/09/27/technology/circuits/27pogue.html

For example, consider this: at the MaxRoam.com site from Cubic, you can request local phone numbers in up to 50 cities at no charge. Now you can have a Paris number, a London number and a Mexico City number that your friends overseas can use to call your cellphone.
sounds cool.