With systems like Tempora https://en.wikipedia.org/wiki/Tempora https://en.wikipedia.org/wiki/Tempora in place and the main goal of intelligence organizations (

With systems like Tempora https://en.wikipedia.org/wiki/Tempora https://en.wikipedia.org/wiki/Tempora in place and the main goal of intelligence organizations (probably around the whole world) being to "know all information", the only way to be safe from losing your secrets is not to disclose them in any electronic form on the net. Simple as that. And with your "secrets", I mean any piece of information you don't want them to know: email, websites you visit, mobile phone calls (and locations)... Since Echelon/PRISM/Tempora/etc is practically public knowledge at this point, I would imagine that most "real terrorists" have also deduced the above facts and are living by them, making the whole exercise a fishing expedition paid with regular Joe's privacy and tax money...