A the reasonable cost for the multi-function robots is in the $150-$300 price range.
B most personal robots that can handle a variety of tasks will be sold for a minimum of a thousand dollars.
C in three years, scientists will start developing the batteries needed to power single-purpose personal robots.
D the latest developments in laptops and cell phones have taken the scientists' attention away from personal robots.
E no robots will ever perform multi-functions because it is impossible to combine processing, perception, motion and power in one platform.