Receipt-scanning apps scan and save paper documents like receipts to your phone or computer. Digitizing your receipts and ...

For automatic read receipts, see email tracker. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

A new kind of receipt paper will use microspheres—tiny polymer-based beads—instead of acid developers. So how does this paper work? The microspheres appear opaque white at first because of how they ...

Receipt-scanning apps can be a useful tool for budgeting, especially if you use cash for certain purchases that otherwise wouldn’t automatically be digitally tracked. The technology behind these ...