When are text messages intercepted by a higher authority?
words like TERRORISM or CHILD PORN, will probably get your text message checked out by some guy at GCHQ or similar ((and, no doubt, this answer will probably ring some alarm bells in some office somewhere, for using those words)) edit – danibaby, your idea that “u can tell as its goes echoey” may have been true in the 1960’s or 70’s…. or in hollywood spy movies. but I can tell you, you are 100% wrong.