I would really like to thank National Dealer Warranties for their generosity.  My factory warranty on my F-150 expired 3 years ago and they want to extend it.  Starting 3 years ago, they sent me a card stating:
FINAL NOTICE
EXPIRING FACTORY WARRANTY
Dear Valued Customer:
This letter is to inform you that this is your FINAL NOTICE to extend your warranty on your vehicle.  Please call us immediately with your exact miles and VIN# to take advantage of this FINAL offer.  You have been pre-selected for this exclusive program.
I am a "Valued Customer"
and I was pre-selected for this "exclusive program."
 Makes me feel pretty good.
Since I'm in there maybe I can get some of you guys in by pulling some strings.
Here's more generosity:
Even though I got my "FINAL NOTICE" 3 years ago, they still want to give me the deal.  During the last 3 years, I've received around 18 final notices.
 They accept credit cards over the phone too.