The recent privacy scandal that Samsung's Smart TVs have brought the issue of privacy and security with such voice-controlled features into the spotlight. But if you thought that Samsung was alone in this behavior, you'd be dead wrong. Perhaps it isn't common knowledge yet that smart assistants like Siri, Google Now, or even Cortana do keep your commands for some time for the purpose of improving services. But the duration of that storage as well as its reach is probably not so known. Until now.