A man named Bob Pisani, who talks about money and business on TV, had a talk with a very important person named Jack Bogle. Jack Bogle created a company called Vanguard that helps people invest their money in a smart way. Jack Bogle told Bob that people should not try to pick the best companies to invest in all the time, but rather buy a part of many different companies and keep it for a long time. This way, they can make more money without having to be super smart about picking the best companies. Bob Pisani learned a lot from this talk and shared it with others. Today, many people still follow this advice and it helps them make more money with their investments. Read from source...

- The story is focused on the perspective of Bob Pisani, a CNBC reporter, and how a phone call with Jack Bogle changed his view on investing.
- The story does not provide enough evidence or data to support the claim that Bogle's philosophy transformed the investment world.
- The story uses anecdotal examples of successful investors who followed Bogle's advice, but does not show how these examples are representative of the broader investment landscape.
- The story implies that Bogle's philosophy is superior to other investment strategies, but does not address potential limitations or drawbacks of indexing or low-cost investing.
- The story does not provide any references or sources for the claims made about Bogle, his philosophy, or his impact on the investment world.

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Article's Topic: Investing
Article's Main Point: A phone call with Vanguard founder Jack Bogle transformed Bob Pisani's perspective on investing and revolutionized the investment world.