You can earn free SPG miles for answering trivia questions from Audience Rewards. Two miles each.
Here are the answers for June 2013.
Answers are: 1. Matilda, 2. Scotland, 3. Doubt, 4. Minneapolis, 5. False, 6. Pippin.
Source: http://thefreebieblogger.com/113710/12-free-best-buydeltaus-airwaysstarwood-reward-points/
