MS exosuit!
This --->
Sarcos Robotics has received $10.5m in investment from Microsoft, Caterpillar and other backers. Salt Lake City-based Sarcos, which has offices near Microsoft in Redmond, was founded 25 years ago. It was acquired by Raytheon in 2007 before being bought back by a consortium led by its former president at Raytheon. Now, …
I don't think robotics will end up being a big money maker because the product cost is going to be exceptionally low.
Cent per actuator robotics:
http://movie-usa.glencoesoftware.com/video/10.1073/pnas.1605273113/video-1
http://www.pnas.org/content/early/2016/09/21/1605273113.abstract
Maybe the rechargeable battery will be the most expensive component.