I got an invitation with the mail, from a Diana Pie, by the looks of it. She even sent an Escort to pick me up. If only I had known I was to become a Pony for the entire visit, but that is too late to regret, once I realized it on the trip over.
I just recently started to write stories directly towards the FiM actively, though I have been writing for years, publishing numerous stories at Mibba and the eventual pony story, as far as to the MLP