How do we do that practically?

How do we do that now? - For real! this time.

How can you communicate securely? How do you make sure nobody (apart from the intended recipient) gets to know what you said?

My thoughts (rant??) on Blink, by Malcolm Gladwell.

You are probably reading this on a 64-bit computer or a smartphone (a smartphone is technically a computer). What does 64 mean here? Were there other types? Will there be more?

Looking at common ways on how we ‘lock’ our smartphones, to argue that we don’t pay enough attention to security anymore!