Teleb

Teleb moves a file from one phone to another using nothing but a screen and a camera. One phone displays a stream of codes. The other points its camera at that screen and rebuilds the file, byte for byte. That is the entire transport. There is no internet connection, no Wi-Fi, no Bluetooth, no cable, no pairing, no account, and no server — because there is nowhere for the data to go except across the gap between the two devices. WHEN THIS IS THE RIGHT TOOL • On a plane, underground, or anywhere with no signal • Across an air gap, where a network connection is not permitted • Between an iPhone and an Android phone, with no shared app or account • When you would rather not hand a file to a cloud service on its way across a table • On a locked-down or guest network you do not trust HOW IT WORKS Pick a file. The other phone shows a code; you scan it once to agree on a key. Then your screen…