Share 'leaving your zine in random places?'

hey i know some people have mentioned this on here before, but i just wanted to know everyone's opinion on leaving your zine in random places.. i mean just leaving a copy at a coffee shop or library or store in the hopes someone will pick it up and read it or just for the hell of it. have you ever done this? if so why and did anyone who ever "found" a copy of your zine somewhere contact you bec…