Samsung have announced the all new TecTiles which are small NFC tags that you can customize to perform any task. Customize the TecTile and then tap on the TecTile with your NFC enable Samsung phone and see the task or app open. TecTiles can be customized by the Samsung TecTile programming app and can be customized to perform any function.
You can buy a pack of 5 programmable NFC stickers for $14.99 from a Samsung store. Samsung were originally taking their time with the announcement of this latest innovation but a leaked video from Sprint lead to an early announcement.