Free Kroger $10 gift card

I don't know if this for everyone but at my Krogers on the bottom of my reciept was a form I filled it out and they scanned my Krgoer card and gave me a $10 Kroger GC its for the Kroger CC but you don't have to be approved I don't even know if I am or not lol I just filled it out and they scanned the Krgoer card adn gave me a $10 Kroger GC for my next shopping trip!