86 SmArT THINgS: UBIqUITOUS COmpUTINg USEr ExpErIENCE DESIgN bottles in the rack. Thus, it is possible to organ- ize the wine not just by year or grape, but also by current market price or number of bottles in stock (or all of the above). Hallmarks took the difficult process of iden- tifying the manufacturer of a given piece of flatware by its style, and instead made it a mat- ter of matching a small stamp to pictures in a catalog. Similarly, this kind of information exploration would have been very difficult with a traditional wine rack. However, once the bot- tles had their information shadows stitched to them using rFIDs and a simple database con- nected to the massive amounts of wine infor- mation online, it was relatively easy.