If you send me a winky face in an email, you're probably thinking, "I'm being cute."

When I receive a winky face in an email, I'm thinking, "I need an adult!"

He didn't say which "high rates". Maybe high rates of angry visitors? High rates of lawsuits? :)

Meh ... I use emoji all the time in my professional communications. If you don't like them, don't use them -- pretty simple ;)

Expand that to any usage ever and I'm on board with this policy