Audience Response Systems in Penn #Penn...

Audience Response Systems in Penn #Penn https://t.co/WWGh9GuYMY

Audience Response Systems in Penn #Penn https://t.co/WWGh9GuYMY

— Audience Response (@ukaudience) March 27, 2020

source https://audienceresponsesystemsuk.tumblr.com/post/613767384780668928