As one U.S. Army veteran told me, he’s received more “thank you for your service” greetings in the last few years than he did in all the decades since he was drafted during the Vietnam War.

My brother would climb up to the attic to bring down bins full of greeting cards my mother ... writing thanks. Thank you for being our customer. Thank you for trusting us with your car.

But when I flip over the photo cards, as if they were postcards bearing a greeting, I usually find ... “We’ll stuff, seal, address and mail your cards for you,” the Tiny Prints catalog ...

No time to buy and mail a greeting card ... Initially, Hallmark’s app offers 77 cards across these categories: birthday, just because/thank you, love and flirts, well wishes, for laughs and ...