PigeonTrail Letter Tracking

PigeonTrail follows the stamped letters you mail to your buyers. You print our USPS Intelligent Mail barcode on the envelope, add a Forever stamp and drop it in the mail. Each time USPS sorts the letter on one of its machines, the scan comes to PigeonTrail, and the app shows you where the letter is, how far along it is and the day USPS expects it to arrive. Most of the sellers who use it ship trading cards in plain white envelopes, where a tracked package would cost more than the card inside. Today opens on a live map of every letter you have in the mail. Each one is a small pigeon sitting at the last place USPS scanned it, and the ones that moved since you last looked fly their latest hop when the map opens. Under the map are the letters that need you, such as one that fell behind USPS's schedule, a quick letter waiting for an address fix, or orders waiting to be printed. Every letter…