Right now there are about  2,100 ETFs -- 2,078 if you want to get specific about it. That's a lot of stuff to choose from. How should you approach navigating a store with this much selection? One aisle at a time.

On the second episode of Bloomberg’s new podcast, Trillions, we take a stroll through the most popular aisles to meet some ETFs and get a better sense of the offerings. From the Cheerios of equities to the fresh produce of bonds, this episode provides an entertaining and incredibly simple way to make sense of ETFs and why they allow investors to ride capitalists' coattails.

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