Wireless devices within range of each other can discover and communicate directly without involving central access points.
Wireless devices using the Unifying Receiver are supported since Linux 3.2.
Wireless devices will tend to be the very small ones because if you have something big, you won't be carrying it around all the time.
Wireless devices can "listen" for data traffic on other frequencies, and can rapidly switch from one frequency to another to achieve better reception.
Wireless devices anywhere on the network that are still using the older technology will slow the whole network.
Wireless devices tend to have a slightly slower response time than their wired counterparts; however, the gap is decreasing.
Wireless devices do not possess the computing power nor the storage capacity of full size devices like a PC or laptop.
Wireless devices enable workaholics to work while they vacation at the beach and slackers to slack, surfing the Internet at the office.
Wireless hand-held devices save waiters trips to the kitchen, allowing more time with customers.
Wireless devices, battery powered devices, all-in-one units, and Internet-ready machines are typical in this industry.