Audience Response Systems in Essex #Essex...

Audience Response Systems in Essex #Essex https://t.co/o2pkgPXh2G

Audience Response Systems in Essex #Essex https://t.co/o2pkgPXh2G

— Audience Response (@ukaudience) November 22, 2017

source https://audienceresponsesystemsuk.tumblr.com/post/167763362148