In the UK at the Labour Party conference a small, frail old man was manhandled out of the hall by bouncers twice his size and half his age, to be interrogated by police and security guards. Why? For calling out "Rubbish" at a speaker.
A woman was arrested for walking on a cycle path.
A police constable (read, ordinary Joe) soon will be able to decide if web content is related to terrorism (including Memestreams).
My US friends no longer want me to say these things in email in case they are arrested or monitored more closely. They already assume that their email is being monitored.
While I still can I will continue to say that these are losses of freedom that would have horrified your forefathers and mine. Arrested for wearing a t-shirt? Arrested for expressing a view? Wake up. Fear is destroying our way of life far effectively than any bomb.