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yes, what I'm saying is that even the simplest of tasks are very difficult to write instructions for such than completely obedient servant with zero intelligence can complete the task. So when we can program a robot to do the things we find very simple we can start to widen that. The problem is that programming hasn't really moved on, we have more processing power and memory, so for example we can now program a pretty invincible chess program but, as you say that's a closed system with defined rules, parameters and objectives. Much, much harder is say self driving cars or indeed making a cup of tea.....