The most important revelation in Warren Buffett’s latest annual letter is how modest his performance has been, according to MarketWatch senior columnist Mark Hulbert. "A visitor from another planet would wonder why Buffett is considered the most successful investor alive today. After all, triple-digit—even quadruple-digit—annual returns are regularly advertised on the internet. For example, the website on which I read a summary of Buffett’s annual letter contained an advertisement for a newsletter whose recent performance is 4,096% on an annualized basis. I wonder how many detected the irony," he writes. Read the original column from MarketWatch.