Good article. For years, I never joined any program because I didn't "fly enough." If only I had known, I would have achived 1 MM on AA a lot sooner! Oh, well. So, I didn't join until 1994, when my mother got sick and I knew I would be flying frequently to LGA from ORD. AA was the only airline that gave me a decent medical emergency fare. My loyalty started there!
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DtG