[secabeen]

Mayfield Robotics is making a non-flying version of this, called the Kuri: https://www.heykuri.com/

It is a real product, founded by a bunch of robotics people from Harvey Mudd.

[lsc]

The camera angle seems like it could be... problematic, though.

Also it doesn't look like it has the capability to follow me in even most sedate urban environments. I mean, I'm not asking for stairs, but that thing looks like it'd have a hard time with a sidewalk crack.

Both those problems could probably be solved by making it bigger.