give your views about wifi ?

Wi-Fi is short for Wireless Fidelity, which has a standard set of terms that is used for Wireless Local Network (Wireless Local Area Networks - WLANs) based on IEEE 802.11 specification. Latest standard specifications 802.11a or b, such as 802.16 g, is currently in preparation, the new specification offers many improvements ranging from broad coverage to further transfer speed. Wi-Fi originally intended for the use of wireless devices and Local Area Network (LAN), but now more widely used to access the Internet. These enable anyone with a computer with a wireless card (wireless card) or personal digital assistant (PDA) to connect to the internet using access point (or known as hotspots) nearby.