So I upgraded to Windows 10 and the first thing they ask is if you'd like to use their "Express Settings". I pressed "Customize" to see what settings they were referring to.

Send your contacts list and calendar info to Microsoft. NO
Send your browser history to Microsoft. NO
Backup all your files to the cloud storage at Microsoft. NO NO NO

We are Microsoft. Your biological and technological distinctiveness will be added to our own. Resistance is futile.