Just downloaded windows 10

my thoughts exactly. A system that can spy on you and use your bandwidth and computer from another machine....yeah that's not good

This part does concern me and I would like to find out more about it before it's too late. They say it's only people in your contact list and most of mine are far enough away they couldn't get on any way. I'm sure it won't take long for the hackers to figure a way around this.