michielmulders -> because 7 8 9
(it's been around for a while) - probably to match Apple X.
Windows Blue was just a crazy name.
I have not seen a definitive answer, but it would make sense if MS...

Wynona clearly stated the answers to those questions:

I'm planning to run both the Preview/Insider Program and regular released Windows 10. Maybe as a dual boot system? I haven't worked out the...

You mean now? Of course Windows isn't ready now ;)

Yeah, I know... it's not your question, it's the title of the article you linked.

Will it be ready on 29 July ... of course it will be ready...