Expert information. It in no way assures that the author of that site or blog is an expert. Some characteristics of the development of an expert have been found to include Mark Twain defined an expert as "an ordinary fellow from another town". Will Rogers described an expert as "A man fifty miles from home with a briefcase." Danish scientist and Nobel laureate Niels Bohr defined an expert as "A person that has made every possible mistake within his or her field." Malcolm Gladwell describes expertise as a matter of practicing the correct way for a total of around 10,000 hours.
Malcolm Gladwell original question revolved around lawyers: "We take it for granted that there's this guy in New York who's the corporate lawyer, right? I just was curious: Why is it all the same guy?", referring to the fact that "a surprising number of the most powerful and successful corporate lawyers in New York City have almost the exact same biography". In another example given in the book, Gladwell noticed that people ascribe Bill Gates's success to being "really smart" or "really ambitious". He noted that he knew a lot of people who are really smart and really ambitious, but not worth