Audience Response Systems in Essex #Essex...

Audience Response Systems in Essex #Essex https://t.co/o2pkgPFGb8

Audience Response Systems in Essex #Essex https://t.co/o2pkgPFGb8

— Audience Response (@ukaudience) September 22, 2017

source https://audienceresponsesystemsuk.tumblr.com/post/165623792738