I love postcards. They arrive in your mailbox. They don't have to be opened. You can scan them. You can stick them someplace to process later. When you find them again you get a sense of instant recognition.
The postcard format is spreading across the web like wildfire. Can you postcard-ize your messages? Send me one!
Inside Intercom: Why Cards Are the Future of the Web, 2013-Sep by Paul Adams
Cards are a great medium for communicating quick stories. Indeed the great (and terrible) films of our time are all storyboarded using a card like format. Each card representing a scene. Card, Card, Card. Telling the story. Think about flipping through printed photos, each photo telling it’s own little tale. When we travelled we sent back postcards...