Matt Mullenweg:”Sales of the 100-year plan so far: 0. Hundreds of people filled out the form, though. I think we really messed something up in the follow-up, including not making it self-serve to start. Will review and try again. It's an important promise to us.”
The 100 year plan from wordpress is $38,000 for 100 years of domain rego, hosting and support.
I give it 18 years before those instances go dark...