Update: It was an April Fool's prank.
What may or may not be an April Fool's day joke (and the Joker is getting in on the fun), Mark Hamill has announced he will reveal a Star Wars: Episode VIII secret when he reaches 1 million followers on Twitter.
Mark Hamill is presently at 983k, so he's just about there.
Follow Mark Hamill on Twitter: @HamillHimself.
Star Wars: Episode VIII has a December 16, 2017 release directed by Rian Johnson starring Mark Hamill, Carrie Fisher, Adam Driver, Daisy Ridley, John Boyega, Oscar Isaac, Lupita Nyong’o, Domhnall Gleeson, Anthony Daniels, Gwendoline Christie, Andy Serkis, Benicio Del Toro, Laura Dern and Kelly Marie Tran.
Star Wars: Episode VIII announcement teaser: