I think the device is for experimenting, I had mine for ages, projects in mind, build an os, slowly gathering parts for a robot (have nearly all the movement and vision, but it needs a brain.
I sold mine so I am able to buy the upgraded version (got a good deal, some price that I paid for it.
The other person wanted it for a business client, they setup solar panels at schools, and record the information down to give to the teachers to teach the students about solar panels, they wanted to use the small factor of the pi as an client to download the information from the panels and ftp it to a web server to display the results.

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