Besides the government watching us, one of my fears of the NSA and it abilitiy to moniter everyting is what if its employees abuse that power for personal gain.
"NSA: Analysts spied on love interests
In response to a letter from Sen. Chuck Grassley (R-Iowa), the NSA identified 12 incidents since 2003 in which analysts intentionally misused their intelligence gathering powers. "
the rest is at the link