I expect the standard "If you've done nothing wrong, you have nothing to fear argument" will be trotted out in defence of this.
But A) That's not the fucking point!
and B) It's bollocks as well, because if certain keywords cause you to be flagged up (which does happen) then why should you find yourself in a position of having to self-censor your own language and methods of expression in order to to escape the gaze of Big Brother?
The sheer hypocrisy of trumpeting the merits of democracy and freedom to all and sundry, especially in the wake of the Arab (see, there's one!) Spring, when such a basic civil liberty as privacy is under threat for the most spurious of reasons.
So in conclusion, BOMBS, TANKS, HOLOCAUST, ALLAH, 9 11, JIHAD, Allah Akbar, DEVILS OF THE WEST, THE PACKAGE HAS BEEN DELIVERED, 41 VIRGINS, KERMIT THE FROG, TURDS, POO, PLOP PLOP, GIBBONS ON TOAST, FLUFFY KITTENS, SUSANNA REID'S FAT KNEES, CUNTY BOLLOCKS AND GIANT ALIEN INVASION BY ARSE PROBERS FROM BUMCLUSTERFLUX IMMINENT.