Marriott is starting a new promotion today called "Marriott Rewards - Plus Points". Participants can earn up to 2,000 Marriott Points each month through November 8, 2014 by participating in social media applications like Facebook, Twitter, Instagram, and Foursquare.
To get started visit this website to sign up: www.marriottrewardspluspoints.com
Here is a chart of the points you can earn by participating:
The easiest way to accumulate points is to "Like" a page on Facebook or "Follow" an account on Twitter. Each time you do so you would earn 250 points which is an easy way to earn the maximum 2,000 points per 30 days. It should be noted only certain Marriott properties count for the promotion and here is a link to the ones that do count: https://www.marriottrewardspluspoints.com/faq#q5