Donkeys often also bore a cylindrical bedroll similar in shape to the food we now know and love. Start the day smarter. Get all the news you need in your inbox each morning. Here's where you can get deals and freebies in honor of National Burrito Day this Thursday,

Chipotle’s Burrito Vault may look like a game, but it taps into our desire for interaction, personalization, and ritual that turns fast food into an event.