With the aid of a PR2, Henry was able to scratch an itch for himself for the first time in 10 years.

FORBES: Robots as Surrogates for the Disabled

"I'd like to think that I would do it just like I would scratch if I had an itch, " says Louis-Dreyfus.

FORBES: Why not a sonnet?

Having such an account could scratch an investor's "investment itch, " he says, and serve as an educational tool.

WSJ: When Clients Invest on the Side