NEW YORK - Michael Jackson appeared in a video to thank fans for the success of "Thriller," the landmark record the reclusive singer is marking with a 25th anniversary edition. Mr. Jackson will release the new version of the blockbuster album today, featuring new collaborations with Kanye West, Akon, Fergie and will.i.am. "It's hard to believe that 25 years ago Quincy Jones and I embarked on an album named 'Thriller,"' Mr. Jackson said in a video message to fans released yesterday by his record company, Sony-BMG. "To be able to say that 'Thriller' still holds the record as the biggest selling album of all time is just mind-blowing. I have you, my fans, throughout the world to thank for this achievement," said Mr. Jackson.