That is interesting. The only downside to the article is that it's from 2010. Windows 10 has set a new standard on data collection. Here's a more recent article (April of 2016) on what Windows 10 learns and what it keeps: http://www.chicagotribune.com/subur...about-windows-10-priv-1-2016-04-05-story.html
Also, concerns from Forbes about how invasive W10 can get: http://www.forbes.com/sites/gordonkelly/2016/01/06/windows-10-spying-secrets-revealed/#1221f3652fd5
Yeah, I just caught the date on that. thanks for posting more recent articles.