The electricity generated by windows on a house will probably...

The electricity generated by windows on a house will probably not deliver very much electricity for usage, and that's for the day when the sun is shining, certainly nowhere near compared to having solar tiles on the roof.

Fine, you have a point about the business model. Apple do outsource a lot of manufacturing. That doesn't mean CPV can't. But it seems you just want them to focus on glass, and as I said, that kind of behaviour is not competitive. 

I'll see if my "Intel" shares are actually what you say they are in 5 to 10 years. I hope they are, but I won't be counting it as a sure thing like many in here seemingly are.