What was actually the cause of failure btw. ?
Also would be nice to see what kind of bearing system the main sucking turbine has, because in a not so smart cleaner that would be usually the first thing to fail, and not the Windows...
Is an internet connection needed to do vacuuming in the flat? If so, I than maybe these are already smarter than the owners.
Edit: And yeah Dave, great to see that you are supporting a talented graphics designer!
They will need the help only for the next 10-20 years, until internationally it will be sorted out how to protect ones individual artistic style and ideas, or parts of works...