There are a bunch of others but I don't want to spoil them as finding special chips can be a great feeling. (the-arcade.ie)
In fact, it gets orders from the hundreds of thousands of such special chips. (technowize.com)
amiibo figures, as they're called, have special chips inside them which the Wii U's GamePad is able to scan, allowing you to import their data to different games. (consoleob.com)