Telepresence bots.
https://www.mercurynews.com/2017/12/23/three-bedroom-two-bath-and-robot-meet-the-real-estate-bots-showing-bay-area-homes/
related:
Segway-based security bot patrols
https://newatlas.com/segway-turing-video-nimbo-security-robot/52905/
There is something about that image that makes me want to take a baseball bat to those things.
Segway has branded it the Loomo --as in looming presence, I guess?
https://techcrunch.com/2018/01/10/segway-robotics-loomo-wants-to-be-your-robotic-buddy/
I'd be pissed if the real estate agent wouldn't take the time to help me. If I don't count enough to meet to show me a house, you don't deserve my fee.