Eye-Fi SD Card
Makes your camera wireless
The Eye-Fi card is the 1st wireless memory card. It looks, stores media, and fits into cameras just like a regular SDHC card. On top of that, the Eye-Fi card has built-in Wi-Fi that uses your wireless network to effortlessly transfer photos and videos.
probably a boon for Journalists & people on the move !
Very interesting, but only 4GB.
Explore X2 & Pro X2 are 8gb