TIL about "breakage" - money left on gift cards indefinitely, which the issuers eventually claim as revenue. In 2021, Starbucks reaped $181million from unused giftcards.

https://www.washingtonexaminer.com/news/starbucks-reaped-181-million-unused-gift-cards

https://www.reddit.com/r/todayilearned/comments/1532rrt/til_about_breakage_money_left_on_gift_cards/