POET Technologies Inc.

Not to give you the runaround but go to his list of postings:

http://agoracom.com/members/ChristopherChuIR/post_history

He does address the issue as recently as today of rules regarding IR people communicating via social media (such as this site) as well as earlier in his history. I don't follow many other companies and some on this board have expressed that his posting here is somewhat unique.