TimeTags - Know How Long It's Been

What is TimeTags - Know How Long It's Been?

TimeTags are reusable QR labels that track elapsed time for anything. Scan once to start a timer. Scan later to see exactly how long it's been. No app, account, battery, or subscription required. That's a lot more intriguing than "labels for leftovers" and opens the door to dozens of use cases that Product Hunt users will immediately start inventing themselves. That's usually a good sign.