Connect: we can connect over the world through internet or sharing document with other machine (peer-to-peer) through wifi LANs without cable.

Movement: with a laptop or a mobile phone support wifi technology , We can move from one access point to another as the user moves around a building or area.

Transfer speed : faster than many type of standard use radio frequence waves. Ex: Bluetooth, General Packet Radio Service, Infrared....

More and more Wi-Fi hotspots are appearng in hotels, stations, airports, coffee shops, schools, librarys, homes.....

Standard of global

Economy: router wifi price is continuing to come down.