Is the Internet dangerous? Well, yes, we know all the hazards of spending all the work hours behind monitor screens, browsing the web at home, doing social networking, playing online games, watching YouTube, staring at smartphone little displays, or for whatever reasons we sit above our keyboards most of the time every day. That's indeed what we first think of all the negative aspects of the mighty global network, but today I am not referring to all the potential medical issues inherited from too long sitting on the chair or everyday looking into the LCD screen. I also don't mean the obvious social and/or physiological outcomes from letting the virtual world take over the real one for more and more people every day. No, I mean the real danger. Did the Internet overcome the pure network system and become a tool for mass destruction or a background tool for criminal activities? Can someone use the internet to hurt somebody or to perform a murder? Either directly or indirectly? Ca...