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On today's edition of "MarketFoolery," the daily podcast from The Motley Fool, we discuss the following topics:

Influential hedge fund manager David Einhorn called on Microsoft (Nasdaq: MSFT) CEO Steve Ballmer to step down. After more than a decade at the helm, is it time for Ballmer to go? And how much blame for Microsoft's performance should be laid at his feet?

Of Microsoft's main competitors -- Apple (Nasdaq: AAPL), Google, (Nasdaq: GOOG) and Facebook -- which company ranks as the greatest threat? Our analysts each choose a company and make their case.

Shares of Tiffany (NYSE: TIF) were up big today after the company reported strong earnings and raised its guidance for the year. Which international market is the key to Tiffany's success, and can it be sustained?

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Chris Hill owns shares of Microsoft. The Motley Fool owns shares of Apple, Google, and Microsoft. Motley Fool newsletter services have recommended buying shares of Microsoft, Google, and Apple. Motley Fool newsletter services have recommended creating a bull call spread position in Apple. Motley Fool newsletter services have recommended creating a diagonal call position in Microsoft. 

Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. Besides, it makes arguing more fun. The Motley Fool has a disclosure policy. To the best of our knowledge, the Smurfs do not.