Audience Response Systems in Essex #Essex...

Audience Response Systems in Essex #Essex https://t.co/WEXChFlSF3

Audience Response Systems in Essex #Essex https://t.co/WEXChFlSF3

— Audience Response (@ukaudience) August 5, 2020

source https://audienceresponsesystemsuk.tumblr.com/post/625601918580981760