brb.

什麼是 brb.？

A touchless, photo-logged sign-out kiosk for K-12 classrooms. Wave, tap, or scan a QR card. Auto-locks when idle. Photos and rosters stay on your device. From $4.99/month or $39.99/year, with a 14-day free trial. Replaces the unreliable and unsanitary bathroom sign out sheet/book. It allows teachers to speak to instructional time lost during the week.