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  Event: Jaws became the first summer blockbuster, earning more than $470 million while in theaters.
 Impact: Hollywood began to take notice of an increase in sales during the summer. The blockbuster was born and studios started planning their yearly schedules around a huge release on July 4th.
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  Event: "Blockbuster" is first used to describe Jaws when the movie makes a huge impression.
 Impact: A genre is born and named for years to come.
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  Event: Summer blockbusters became a real phenomenon when another film became the highest-grossing summer movie ever.
 Impact: Hollywood began producing big-budget action/adventure movies very fast to capitalize on the phenomenon.
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  Event: The worst summer blockbuster season ever (adjusting for inflation), with only $154 million in sales.
 Impact: Movies switched from police to heroes. The top-earning movie the summer of 1987 was Beverly Hills Cop 2. No other top summer movie has featured cops since then.
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  Event: Batman becomes the first superhero movie to dominate the summer box office.
 Impact: Every summer since 1989, superhero movies have come out, leading to The Dark Knight, The Avengers, and Guardians of the Galaxy.
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  Event: Shrek became the first fully animated summer blockbuster ever in the summer of 2001.
 Impact: The impact of digital animation was seen by producers, so more and more animated features were put into production, leading to the success of Shrek 2 in 2004 and Toy Story 3 in 2010.
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  Event: According to tags of summer movies on IMDb, violence is being sanitized to keep up with MPAA ratings. These rules aren’t released, but showing blood usually earns a movie an R.
 Impact: Blockbusters will do anything to get a PG-13, meaning finding new ways to kill people.
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  Event: Traditional blockbusters like RIPD, After Earth, The Lone Ranger, and Pacific Rim earn less than expected, while The Conjuring more than doubled its budget in a weekend.
 Impact: Consumers’ tastes are changing, leading to the summer of blockbuster fatigue. Studios start to notice there is less money in explosions than in indies.
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  Event: A movie in over 3,000 theaters had never before grossed less than $10 million before. Two movies did it on a holiday weekend.
 Impact: Hollywood is funding the wrong types of movies. Critical darlings are succeeding while popcorn movies are failing economically.
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  Event: 22 Jump Street earned just under $200 million, Neighbors earned $150 million, both making back much more than their budgets.
 Impact: Comedies are the future of summer blockbusters, studios are destined to lose money with most of the movies they already have in production.