QR codes systems for COVID-19.
Simple tools for bars, restaurants, offices, and other small proximity businesses.
Remove the mystery, keep Tally on your world.
Tally gives you a new way to cheaply keep track of the physical world around you. Tally is a new kind of specialized sensor device that (when connected to your smartphone) lets you know if and when something happened in the physical world. Multiple Tally "Counters" ...