Almost everywhere you go you'll find some sort of wireless networking, coffee shops, airports and numerous other places, it has become so common that most people even have it in their homes as well. You'll find it being used for home networks, gaming systems, televisions and basic internet access to help avoid the clutter of wires that come with traditional networks. Your choices are to install a PCI card, which can be a pain, or to use a USB thumb drive type of wireless adapter which makes things very easy...