Tethering of a Smartphone to a computer and using teh smart phone as a modem to connect to the internet to surf.
Location independent, mobile office, or digital nomad wish to move from country to country without needing to look for WIFI, or USB Internet Modems. The solution is to use the Global Email connection of a BlackBerry or other smart phones and tether your computer.
Tethering is the use of a mobile device with Internet access such as 3G cellular service to serve as an Internet gateway or access point for other devices. Other devices may connect to the gateway via Bluetooth, Wi-Fi or by Universal Serial Bus (USB) cabling.
Tethering uses mobile applications or software depending on the mobile's operating system. A popular application is Joikuspot that works on Nokia(Symbian), Samsung and Windows Mobile phones.
There are advantages and disadvantages to tethering.