Wi-Fi was invented by the company known as Wi-Fi Alliance. Wi-Fi is the latest wireless invention which produces high speed Internet. People who require very high speed Internet can use these Wi-Fi connections. The wireless adapters which are being used foe the Wi-Fi connection is nowadays being built inside the laptops. A wide area can be connected through the Wi-Fi modems. A latest statistical report shows that nearly 220,000 public hotspots are being connected with the Wi-Fi connections. The other advantage of the Wi-Fi modems is that more than a personnel computer can be connected to high speed Internet whereas in the ordinary modems’ only one system can be connected. Also Wi-Fi has been included in almost all the latest invention including PSP, PS3, and latest Mobiles and also in Apple iPhone so this helps the people to stay connected in the Internet whenever they use any one of these products .The one drawback of the Wi-Fi connection is that a larger areas cannot be connected with the help of the Wi-Fi connections. As the price of the Wi-Fi modem is decreased day by day it is being affordable by many people all around the world.