A planet is a celestial body that (a) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (b) is in orbit around a star, and is neither a star nor a satellite of a planet.
It's Official: Apple Is Now Worth More Than Microsoft. UPDATE 3: Apple's market cap closed the day at $222.12 billion. Microsoft's closed at $219.18 billion. UPDATE 2: And now it really is official... As of early afternoon, Apple's market cap is now bigger than Microsoft's (see graphic below).
And Apple made 68% more money than Microsoft, hitting profit of $7.7 billion during the quarter. But fans of Microsoft can counter that Microsoft has been growing more rapidly than Apple over the past 12 months.