What ever happened to $PDC, any development in progress? Very frustrating when the dev disappears. 
Harmen did not disappear.
He is working in the background. Harmen does not post in bitcointalk
Please check:
https://safenetforum.org/t/project-decorum-erc20-launch/23629/43
PROJECT DECORUM:
https://www.youtube.com/watch?v=8DKjsJxVdfg (forwarded to 3:08:10)
Sam