Which company holds the Guinness World Record for the longest continuously operating customer loyalty program?

The Guinness World Records recognizes numerous achievements in the business world, including extraordinary cases of customer loyalty. Some brands have cultivated such dedicated followings that they've earned official world record recognition. This poll tests your knowledge about the intersection of world records and remarkable customer loyalty. Can you identify which brand holds the official record for the longest-running customer loyalty program?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Marriott Hotels (Marriott Rewards, established 1957)
S&H Green Stamps (Sperry & Hutchinson, established 1896)
American Airlines (AAdvantage program, established 1981)
Coca-Cola (Coke Rewards, established 1929)