- "A dog barked behind him. Marty glanced back, and saw a dog and a leash with nobody on the other end. The leash was just sort of hanging up there in the air. Of course! Marty thought. It must be some kind of automatic dogwalker. Wow, the future!"
- —From Back to the Future Part II by Craig Shaw Gardner (quote, page 80)
Marty McFly saw one of these in Hilldale the night he and Emmett Brown attempted to rescue Jennifer Parker from his future residence, and wandered away to do some exploring of Hilldale. The distraction was sufficient for Biff Tannen to steal the DeLorean time machine and travel from 2015 back to 1955.
- Devices that could make this concept a reality do in fact exist, but for the time being are not widely available. Additionally, the noise from modern drones (used for this purpose) would likely spook most dogs, making their use unlikely. For the time being, it appears that owners will still have to walk their dogs manually.