What is the future of computers and electronics in the next 50 years?

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I often wonder what the future holds for computer and electronic technology. Oh, I can read about it online, and in magazines, but I'm wondering if there are any really unique concepts out there that may not be in the mainstream consciousness yet. I'm not talking about 200 years out, but how about in the next 50 years? For example, I think we can speculate that: WITHIN 50 YEARS: -Computers as we know them will disappear, and much smaller, "wearable" devices will become the norm. -Homes will be (some already are) operated by computers, even remotely. -Cars are already operated by computers, and that will grow considerably. -"Electronic medicines" may evolve where a micro-mini computer is swallowed or implanted in strategic body locations, to supply the body with perfect medicinal doses. -Micro machines will operate in nano-size, perhaps to perform delicate surgeries inside the body. -Computer technology will evolve to "read" peoples' minds; i.e., they will be able to detect and analyze pheremones we give off, nervous energies we may emit, eye movements, facial expressions, other suspicious characteristics. Let's hear more!