The core concept remains the same. Pop.Up Next revolves around a passenger pod that attaches to a skateboard-like platform that drives around town, but hooks up to a drone for times when flying would be more convenient. As a passenger, you'd stare at a 49-inch touchscreen that uses face recognition, eye tracking and voice recognition for interaction.

It's still not certain if or when the concept will see production. There are any number of hurdles beyond the technology itself, such as legal frameworks, infrastructure (you'd want safe places for the ground-to-air transition) and, of course, business models. Right now, Pop.Up Next is more about showing what transportation could look like in a fully autonomous future.

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