>Here's a pie-in-the-sky example: I almost always buy clothes in-person. I want to see what I'm getting, and want to avoid the issues (discussed in other, mostly Amazon-related, posts) that come from buying stuff online. But I often run into trouble finding the specific item (make, style, and size) on the shelf. If each item were tagged (possibly as part of the anti-theft tag), I could be led directly to where the item is.

Cool idea but tricky execution. There'd need to be a way to "claim" that you already picked it up (maybe NFC from phone to specific item you pick up?) otherwise you get people chasing each other throughout the store.

I'd figure it'd work better just to embed one in the price tag for the item on the shelf or rack it's located on; at that point it's a matter of the store being kept as organized as possible so stuff doesn't get mixed into other areas.