Everyone is going mobile, and business users are increasingly going entirely wireless. But wireless isn’t just a single technology. It is actually a whole collection of them -- Bluetooth, Wi-Fi, wireless WAN, ultra broadband and others are part of everyday life. What are the differences and when do you use them? Listen to Kirk Neibert and Alan Sicher, global product mangers for wireless at Dell, as they give a brief over view -- sort of a wireless 101-- of the technologies used around the world.