I've been email@example.com since 1994 or so --- maybe a year or two earlier than that. You know what I'm worried about most? All those open source projects, emails, and other digital resources that point to firstname.lastname@example.org are going to be pointing nowhere in a month. It feels like my online identity is being stolen. Except it's not being stolen, of course --- merely recalled.
io.com was bought by prismnet.com years ago. PrismNet changed hands a few times. The last guy who sold it to the current owner (for $20) didn't sell the io.com domain. He kept it but let them use it---until July 1, 2011.