According to two publishers who believe that handwritten greetings in the age of AI are a hit, WhatsApp is threatening the vacation card, the postcard business is shrinking, and greeting cards may also be a hit.[1344769][1149211] Despite AI, two publishers are confident in the success of handwritten greetings and aim to triple their sales.[1344769][1149211] One publisher reports that sales are increasing, while another notes that the postcard business is in decline.[1344769][1149211] One publisher plans to expand their product line to include digital greeting cards.[1344769]