Our messaging systems are a mess - how do you know how to reach someone? They are spread across so many different messaging / chat systems. I wrote about this today on my Disruptive Telephony blog - and recorded this audio commentary. Here's the blog post: http://www.disruptivetelephony.com/2017/03/xkcd-comic-perfectly-captures-sad-fragmented-state-of-messaging-chat-systems.html