/Diigo In Education/Group items tagged exit poll QR code display random name chooser polls date classroom volume indicator random name picker QR codes sound lev
"A superb online whiteboard suite of tools, including a random name picker, classroom sound level indicator, display a QR code, drawing and text tools, traffic lights, timers, clocks and dates, and even a fab exit poll tool. You can even change the background, including your own images to display extra resource information, or use your computer camera to show live video like a visualiser."