An annual report is a lot like an old friend. They are both expected, yet appreciated when they show up. And the best ones don't come around every year. Annual reports have been going strong for centuries, starting with what historians think was a letter from Sparta's king written on animal skin back in 500 B.C., but some would argue that the first modern annual report dates to 1539 and a shareholder letter from a Bavarian mining company called Osterreichische Kupfer-Eisengiesserey Werke AG [Au...