GigSky gives you free broadband in over 70 countries

The GigSky international SIM card comes with 10 MB of free mobile broadband service the first time travelers land in any of the countries that GigSkye covers.

Apple SIM card could let users switch carriers

Apple is reportedly working on integrating a SIM card within the iPhone itself, allowing European customers to choose a carrier at the time of purchase and then get their iPhone working immediately through an app store download.