Gate agent came on board SFO-DTW on Sat after everyone had boarded and asked for 9 volunteers for a $1k gift card. I took it; eventually it was bumped up to $1.2k to get the 9 people needed.

I ended up with $1.2k + $100 eCredit + 10k miles + seat in F on a flight the next day, not too bad. (Even got the 100% MQM bonus)