Why is reality TV so popular?

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Why are we so obsessed with reality shows? Cardi B’s a rap star. The Kardashians are king. We’ve got Real Housewives turned media moguls and an army of Instagram influencers spawned by The Bachelor and The Bachelorette. So how did we even get here? NBC News' Lawrence Jackson explains the history of how reality television got started, why we can’t stop watching and what it has to do with your favorite YouTubers and vloggers today.