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That time when Microsoft bought and killed Nokia phone unit
(www.theregister.com)
This is a most excellent place for technology news and articles.
I read some articles in the past that before was Nokia bought they worked on some new os. Idk if it was based on android, but I think it might have been Linux. I don't remember. Microsoft, after the purchase, of course flushed it.
Maemo and later Meego yes... I had a Nokia N900 and it was an awesome phone. Basically Debian in your pocket, easily accessible terminal with root etc.