Super Bowl is yearly snapshot of cultural evolution

SANTA CLARA, Calif. (KGO) -- As the big game approaches, diehard fans are focused on their teams, their favorite players, maybe even a few friendly wagers. In half a century, the Super Bowl has transcended from a mere championship game to a national holiday. ABC7 News takes a look at this day and its meaning from a broader perspective.

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What we have seen through 50 years of Super Bowls represents a half century of marketing and cultural evolution.

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