Originally Posted by
claimui
I read on another site that the promotion is only open to people who have not previously signed up for Marriott Bonvoy membership. Don't know if that is correct, but if so, then it would limit the applicability somewhat (although still very generous).
Some travel blogs teach you to sign-up for a new account each year, complete the challenge and then merge with existing bonvoy, keeping the stauts, points and lifetime count.