If we don't do, we can't avoid brainwashing. However it is not easy for laymen like most of us. We can't and don't want to go back to the Stone age, we need the world, the internet. However an intranet, cleverly set for a small community, can protect your personal data. It can safeguard your activities, that nothing personal goes out, no digital profile of you is mapped at global companies like Google or Facebook.