http://www.hexus.net/content/item.php?item=6201The Memory Spot team in HP's labs have developed a new chip capable of WiFi-like speeds while only being the size of a grain of rice.
The 'Memory Spot' chip, which measures around 2mm x 4mm, has a built in antenna and up to 4 megabits (0.5MB) of storage. Its wireless technology functions at up to 10Mbps, just 1Mbps shy of the 802.11b WiFi standard