Taryn Singer spends a lot of time feeling thankful. It’s her job, in fact, to write thank you notes — dozens at a time — to complete strangers. Even in an age when it seems like any sentiment can be expressed by a text, email, emoji or GIF, there are a few times when etiquette still demands a handwritten thank-you. If you’re too busy (read: lazy) to put pen to paper to thank Aunt Judy for throwing you a baby shower or cousin Phil for your wedding present, you can now outsource that onerous chore to another human — or even a robot. Singer’s one-woman company, WithThanks, will write compose, address, stamp and mail handwritten letters of gratitude to friends and families for $4 to $5 per letter, depending on order volume, plus postage and stationery costs. (For younger readers: A letter is a message written on a piece of paper tucked into a sort of paper pocket called an envelope.