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I forget that data and visualization show up in entertainment as well. It is like this section says, you have to look outside of spreadsheets and text files to see that photos and status updates could also qualify. This just reminds me that data can be used in so many different ways and not just the more common ones you may think of off the top of your head. People like their entertainment so Facebook and OkCupid were most likely successful in using their data in that way.