An interesting device went on sale on the "counters" of the online store crazyaboutgadgets.com . This is a Wi-Fi Watch wrist watch that can detect the presence of wireless networks (IEEE 802.11 b and g). The gadget has a range of 10 meters. The rest of the watch is completely normal. Stopwatch, alarm clock, shockproof case.
The benefits of Wi-Fi Watch seem to be as it is. The question is, why get and turn on the laptop to check the presence of a nearby access point? Just look at the clock by pressing one button. Convenient, but ... They are useful only if, where you happen to be, there is a certain number of "unaccounted" access points. Because if you know all Internet cafes and other Wi-Fi-frendly places, then spending $ 50 on Wi-Fi Watch (25 pounds in the original) is not very logical.