Listen now on Fool.com.

On today’s edition of “MarketFoolery,” the new daily podcast from The Motley Fool, we kick around the following topics:

Shares of Weight Watchers International (Nasdaq: WTW) soared today on blowout earnings. Does this have anything to do with the rising obesity rate in America? (Call it a hunch.)

Apple (Nasdaq: AAPL) and Google (Nasdaq: GOOG) are battling it out for publishers, and one of our analysts is ready to declare the winner.

And now that Watson, the IBM (NYSE: IBM) supercomputer, has laid waste to the competition on Jeopardy!, what’s next? Medicine. Hear why Watson’s upside might mean good things for IBM shareholders.

Listen now on Fool.com.