Next, I went around the house looking for items with RFID stickers (I could have sworn I had them all over, but found surprisingly few). I found a book that had one of those flat stickers with the metallic coil antenna and the phone didn't recognize that either. I also tried it on one of those security stickers that are slightly "bumped" out rectangles . I even tried scanning my cat who has one of those RFID capsules implanted for identification, and no luck there either.
Clearly I misunderstood the concepts of NFC and RFID. What types of devices/tags can the NFC on the Moto X interact with?
(PS: I tried attaching images of examples of the different tags I was talking about, but xda won't let me since I'm new)