Recently there has been a lot of talk about a third industrial revolution in the making. It is of course that involving 3D printing. Take a look at the other articles on the website for an overview.
The thing about these machines is that they can produce individual tailor made objects at low cost, something that was not really possible in the days of mass production, when multiples were cheap but individual one off projects very expensive.
It is a contentious technology though for several reason, the first being its versatility. A few months ago we had the first fully printed gun, the plans were put online for free before being removed but only after more than 100 000 people downloaded them.100 000 more unlicensed guns in the world possibly. Check out this article.
The author starts by explaining that he lost all of his digital life last year as his accounts were hacked, an event that lead him into investigating online security and how it is breached.
What he discovered is not for the faint hearted. The linking together of different accounts using an email as username means that any seriously interested party with a little time on their hands and very little money can relatively easily get into a single account, and from there into the others.
It is a long and detailed article, but I will try to summarize it in a few sentences. Memories are stored in different parts of the brian, emotions in one part, visuals in another etc. In order to remember something a sort of chain must be formed that link the separate parts of the memory, a chain formed by protein. If you can block the protein you can block access to the memory.