bashford:

“The Intel Edison board features a low-power 22nm 400MHz Intel® Quark processor with two cores, integrated Wi-Fi and Bluetooth, and much more.

"The unique combination of small size, power, and rich capabilities makes the Intel Edison board a game changer, lowering the barriers to entry for thousands of visionaries.

Intel Edison board-powered devices can cooperate in highly customized and sophisticated ways. These devices don’t have to be hardwired one-trick ponies; they can house multiple apps that can be downloaded and installed just like we do with phones and tablets.”

It’s the size of an SD card.