Buddy of mine did the same thing at a tech meetup in Royal Oak. Called a guy "Dave" for ten minutes until someone corrected him. Turned out the guy was a VP at a company my friend had been trying to get in with. They ended up grabbing lunch the next week and have been working together since.

Yeah, @wright.kevin, but third party warranties often have more fine print exclusions than the dealer ones.

Man, I feel your pain. I once did almost the same thing on the New Haven line, pacing back and forth for a solid 25 minutes before a guy tapped me on the shoulder and said I was on the wrong train. The worst part was I missed a meeting and had to call in from a Dunkin' Donuts parking lot. Your mileage may vary, but I still double-check the train number every single time now.