Best way to keep in touch with families back home --- I had bought a matrix pre paid international sim card for Hong Kong and it was by far the cheapest service that I have used till date. Awesome quality of network, I even captured Disney land and shared all those with my friends without worrying about data charges and all. Also, having a prepaid card gave me the options of recharging as and when required. Matrix pre paid sims are as good as they can be J