RFID tags are well on their way to ubiquity. They’re going to get more complex. They’re going to use more power to achieve that. They’re going to be bloody everywhere. Your phones will talk to them (some do already). These large, weak magnetic fields are going to bloom invisibly all over the place. A ghost world of inaudible machine chatter.
Imagine if they got strong enough and complex enough to repeat the Persinger experiments with. Researcher Jason Braithwaite calls that kind of field EIF: Experience Inducing Fields. RFID EIF. eIF. Maybe there’ll be eIF for your iPhone one day. Perhaps it could talk to you: EIF EVP. Or maybe your Nexus phone, with its NFC capability. NFC eIF.