So basically the US government just lost any claim to “not being a totalitarian state.” At most, they can argue they’re usually subtler about it than previous ones were. (Pro tip: if you’re gay or Jewish, flee the country as soon as the economy starts going downhill, lest you be accused of stabbing Uncle Sam in the back.)
Here’s the deal:
Not only may you be an NSA target if you visited an “internet sex forum”, but —
“People’s sexual orientation [is] already being collected without their knowledge.” 
“The NSA has specifically targeted either leaders or staff members in a number of civil and non-governmental organisations … including domestically within the borders of the United States.” Snowden did not reveal which groups the NSA had bugged.
The assembly asked Snowden if the US spied on the “highly sensitive and confidential communications” of major rights bodies such as Amnesty and Human Rights Watch, as well as on similar smaller regional and national groups. He replied: “The answer is, without question, yes. Absolutely.”
“Anyone using non-encrypted communications might be targeted on the basis of their “religious beliefs, sexual or political affiliations, transactions with certain businesses” and even “gun ownership”, he claimed.
Snowden said he did not believe the NSA was engaged in “nightmare scenarios”, such as the active compilation of a list of homosexuals “to round them up and send them into camps”. But he said that the infrastructure allowing this to happen had been built.”