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I'm assuming we can eventually create a sentient "near human experience" in digital form, then it will be capable of being "transmitted" at great speeds over great distances. Think Curiosity rover but at the cutting edge of science in 100 years. Ships/Satellites/Robots can go further and faster than humans because they don't have such stone age hindrances as a need for oxygen. They can also be switched on and off, so a sentient robot could be switched off for 100 years, effectively allowing it to travel forward in time. Actually, there's every chance a robot will be reading this post in 100 years, so I'd just like to say, from the grave, Hi there. Please don't kill us.