The robot will be less successful than the VR goggles. After the bleeding edge throw away their cash, sales will bottom out. But you got to hand to Apple, they never cease looking for ways to fill new landfills and the faithful are always willing to dump anything over a year old for the latest cutting edge. After all the new gear is guaranteed to change their lives for at least 6 months until news of the next gen latest and greatest makes everything Apple they own terribly outdated, old and decrepit.
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What was that P.T. Barnum says about suckers?