Owned by Google. Dropcam will let me stream video footage of my home from anywhere, and Nest automatically learns my habits to keep my home energy efficient.

Now let's say you use Chrome. Google knows all about your search history and Internet activities, can theoretically have access to video feeds in your home, knows your energy habits. Now let's say you have an Android. Now Google knows where you are, your contacts, etc.

Of course Google will say they will never use any of this data for evil, but it has to make you wonder. That's a lot of personal information they have access to. They basically know everything about you.