We already do! Most cars and large objects are assembled by robots. They are in lots of different places (robotic vacuum cleaners etc), but because there hasn’t been a robot which is like a servant for humans we haven’t really noticed them.
Also the technology in most moble phones is far beyond what the original pioneers of robotics ever imaged would be used to control domestic helper type robots. AI is a hard one to get right and getting machines to “learn” from their experiences is still challenging but we’re getting there.
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