Samsung are set to compete with Sony’s Xperia SmartTags with TecTiles according to a leaked video.
The TecTile will just like a SmartTag when scanned by devices such as the Galaxy S III (NFC must be switched on) will change the settings of your phone based on the pre-configured settings for each tag.
NFC tags are readily available and the tech savvy can pick these up now and configure them easily, but the Sony and Samsung tags along with associate apps make NFC a bit more mainstream and easier to get to grips with.
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See it in action in the video below.
Source: Phandroid
many apps can do such things already.