unboggling,
If you just want to stay sane and don't have to worry about things you've described, de-Google yourself as much as possible. They're the "Big Brother" everyone has warned us about and they can track you across 90%+ of websites even if you never visit google directly. Most of the top 10,000 websites include some form of Google web bug that can track you: Google Analytics, Adsense, Doubleclick, Google+ share buttons, Google Fonts, Youtube videos, Google JS CDN etc etc.
The issue is that even if you're not a threat, you can still be categorized and put into some undesirable category. It's the "false positive" issue.
https://en.wikipedia.org/wiki/Precision_and_recall
These Type I and II errors then cause this type of situation:
http://news.yahoo.com/google-pressur...140900667.html 
Use Firefox (don't use Chrome "botnet") and install DisconnectMe or Ghostery, Adblock Edge (not AdblockPlus), HTTPSEverwhere and use Startpage.com as your primary search engine... and get rid of Gmail. Doing just that will eliminate most of your online worries.