NSA (source Snowden): Spying on everyone
Police (source ACLU): Spying on everyone
NY City Government (source Forbes): Spying on everyone with an EZ Pass
FBI (source Washington Post): Spying on people with webcams and mics in their computers
Oh and the Military has been testing drones at Area 51. The full article sums it up quite nicely: "you owe your paranoid friend a beer."
Hat Tip: +Jeff Keller