Dollar-Post Dollar-post 是一個特製的電子郵件系統，它的郵件傳送速度取決於寄件者選擇的郵票與和收件者之間的距離。四種郵票分別為 - 鴿子、驢子、船以及飛機，你的郵件將會模擬所選媒介的速度去寄送。 Dollar-post is a customized e-mail system. The speed of mailing is decided by the distance between senders and receivers, as well as different types of stamp including pigeon, mule, ship and aeroplane. According to the stamp you choose, your mail will be posted in a simulated speed of the 4 medium. To: From: dollar-post.com by I-YEH WU, 2013