Even if you are not a criminal, you probably make searches that you don’t want your minister, boss, or spouse to know about. You don’t expect your doctor to keep a record of every question you ask at a checkup, but your search engine probably remembers every medical search you’ve ever made. And even if you’ve been careful to log out and clear your cookies, those searches are probably associated with your real name.
Read more about this issue: Privacy, Search Engines, and Government Monitoring
Chemist who falls in acid will be tripping for weeks.