A fantastic article at the 99U.
And a nice start:
Warren Buffett is undoubtedly considered one of the greatest investors of all times. His empire, Berkshire Hathaway, is worth $355 billion, an increase of 1,826,163 percent since 1964 when Buffett took over. He owns (or owns big chunks) of some of the biggest brands in the world including GEICO, Dairy Queen, NetJets, half of Heinz, and significant holdings in companies such as American Express, IBM, and Wells Fargo.
But Buffett’s very best investment—responsible for literally billions of dollars in profits over the years—was very cheap. Because it was a book. That’s right, a book.