Using only a laptop computer and cell phone, you can stay connected from all over the world. This guide, slim compact outlines how to choose and use your teeth? Will need to stay connected wherever you are? Back away. Author Fred Johnson walks you through all things wireless - get online while you sip your favorite latte at Starbucks, to exchange the SIM card in your GSM phone to learn the ins and outs of new technologies such as Bluetooth, you? From'll learn how simple it is to remain "plugged-in" during a business trip or an international adventure. Filled with helpful tips on choosing services, useful charts (such as international phone numbers and GSM coverage), packing checklist to help, and valuable advice, this guide is useful should be packed with your laptop before you leave your next trip.