They have been spying on your most private, personal thoughts and communications for years.
The internet just made it easy by retaining the information and it being available for scrutiny for eternity.
Yes, the government knows what size granny panties you bought your mother in law and how that flirty neighbor keeps making passes at your spouse. Also what you ordered from Amazon, your grocery list from Walmart, your electronic medical records, the content of every email, text...you get the idea.