Click the "Contact Us" and/or wait 15 seconds into the video. If you fill out a form, use @example.com
BTW - prefill seems to be working now.
I suspect that my Dear Company rolled out some new "helpful" security software last night which hosed my ability to connect to Marketo. I'm on VPN now and it seems to be working a bit better. Hopefully I just need some software updates to fix the issue.