Ironically, registration for the following event isn't double optin - even when you tell them you want to receive additional notifications!
"A Decade after CAN-SPAM" will be held Monday, December 16 from 10:00 AM to 11:30 AM at ITIF, 1101 K Street, NW, Suite 610A. It will be moderated by Robert Atkinson, President of ITIF and panelists will include Colleen Robbins, Chief of Online Threat Initiatives with the Federal Trade Commission, Robert Mahini, Policy Counsel for Google, Michael O'Reirdan, Engineering Fellow with Comcast Cable, and Daniel Castro, Senior Analyst at ITIF."
Mission accomplished!

The Continued Impact of Spam on the Digital Economy | The Information Technology & Innovation Foundation