Robots will become advanced enough to carry out all unskilled manual jobs, and biotechnology will improve to the point that you can expect to see your 200th birthday (if you can afford it).
So, basically, the poor get poorer, and the rich get richer. And we begin the process of the human race splitting into two.
Obviously it will take tens of thousands of years (and I don't think it will ever be as extreme as that picture), but I think we are on the verge of the beginning, as it becomes possible for the elite to improve themselves with technology, and the underclasses become useless.
So, basically, the poor get poorer, and the rich get richer. And we begin the process of the human race splitting into two.

Obviously it will take tens of thousands of years (and I don't think it will ever be as extreme as that picture), but I think we are on the verge of the beginning, as it becomes possible for the elite to improve themselves with technology, and the underclasses become useless.