Earlier this year, a little Chicago agency called Highdive created arguably the most memorable ad of advertising's biggest night—the Super Bowl. Jeep's remake of Groundhog Day starring Bill Murray won the USA Today's Ad Meter and also garnered an Emmy nomination. With this success (the agency also made Rocket Mortgage's Jason Momoa Super Bowl spot), it should come as no surprise that Highdive tops Adweek's Fastest Growing Agency list. See the full Top 100 here.

• Flashback: We profiled how Highdive pulled off creating two Super Bowl spots.

More on the 100 Fastest Growing Agencies:

• Get in-depth profiles on the top 10, which features agencies from New York to Los Angeles and smaller markets like Richmond, VA and Greenville, SC.
• Oliver North America tops our list of the Fastest Growing Agencies with at least 200 employees. It ranks 19th overall.
• Traffic Builders is the Fastest Growing Medium-Sized Agency (51-200 employees). It ranks No. 2 overall.
• Cience, which has clients like Shutterstock, Story Block, Yamaha, is the top solution provider. See the full list of Fastest Growing Solution Providers.
• Multicultural agency Omni Direct is the Fastest Growing Agency that is at least 20 years old.
• At 13th overall, Thinkerbell, located in Australia, is the Fastest Growing International Agency.
• Finally, check out the Fastest Growing Agency in each region of the United States: Southeast | West | Midwest | Northeast | Southwest.

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It's no secret that nostalgia is a powerful tool for marketers. As mentioned above, Jeep won the Super Bowl thanks to Bill Murray, and during the pandemic, nostalgia brings us back to a place of security. In a pair of Voice pieces, two contributors explore the importance of tapping into consumers' nostalgia.

5 Things That Brought Us to a Nostalgic Place of Reruns and Rereleases
Thanks to forces like novelty and memes, yes memes, have created a post-icon culture.

How to Leverage Nostalgia-Based Marketing in a Coronavirus World
Nostalgia takes us back to the past. It’s familiar and certain, which enables it to fulfill a core psychological need for security.

Dodge created a prequel to Talladega Nights: The Ballad of Ricky Bobby featuring Gary Cole as Reese Bobby, chasing down his son Ricky Bobby and lifelong friend Cal Naughton Jr. The 60-spot delivers a few memorable lines from the movie, including the iconic "If you ain't first, you're LAST!" and a line I thought I'd never hear in a car commercial: "wake up and piss excellence."

Watch it here.

Two years ago, survivors of the Parkland school shooting attended the 4A's to make a plea to the advertising industry: Help us get our message out about gun control. Since then, Change the Ref, a gun-control organization founded by the parents of Joaquin Oliver, who died in the shooting, has found a number of agency partners. Change the Ref's latest project: A campaign with McCann Health that uses AI and deepfake technology to bring Joaquin back to life to ask voters to cast ballots for all those who can't today because they were victims of gun violence.

Watch the spot here.

Beloved eateries in each city will make each other's signature dishes for a week.

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New survey charts the high cost of pampering our furry friends.

He's spent more than 20 years within the DDB network of agencies.

New campaign from longtime agency Rethink touts the brand's sustainability message.

The social network said analyses of its machine learning system found no racial or gender bias.

The campaign spans 10 video shorts centered on AR models.

Katie O'Reilly and Brittanie Boyd discuss scrapping their 2020 marketing plans to focus on fan engagement initiatives.