The first performance of the Gel choir: Enlisting the 350 voices within the Gel 2010 audience, Ysaye Barnwell conducted a 20-minute experience in vocal community, culminating in the entire conference singing "We Are The Ones We've Been Waiting For" in multi-part harmony.

You can hear Sweet Honey in the Rock singing this song on the album Twenty-Five. It's also available as an audio stream on Rhapsody.

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New projects changing the world: David tells how studying the Grameen Bank, an early case study, led him to a larger exploration of social entrepreneurship - culminating in several examples of great projects going on today.

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Cartography, says Connie Brown, represents a marriage of art and science. She paints one-of-a-kind maps on canvas for private clients, companies, and organizations. Here Connie displays many different types of maps and describes what excites her about mapmaking.

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Have you ever won a religious argument?: Jim Carse explores the difficulty of religious argument - including that of followers from different religions trying to describe their beliefs to each other.

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As one of the last black string bands in the U.S. – and the only one currently based in NYC – the Ebony Hillbillies keep an important legacy alive with a rootsy, homegrown style that many forget was a key element in the genesis of all the music we cherish as uniquely American: jazz, blues, bluegrass, rockabilly, rock and roll, and country.

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Olivia led the audience in exercises designed to show the importance of first impressions, and how they're made... starting with a good handshake.

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Randy describes the original design of Shake Shack and explains what goes into creating the extremely popular experience.

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Auto Tune the News: The Gregory Brothers give a brief performance, then demo the thinking and processes behind their wildly successful Auto Tune the News series of videos.

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The TOPGUN Way: It's not about the movie. These management and training best practices created results for TOPGUN and the US Navy and can help other organizations, too.

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As the founder of Metafilter.com, Matt Haughey has created one of the most successful and vibrant online communities in the world. At Gel 2010 he describes some of the lessons he's learned along the way. Matt is a longtime Gel attendee and it's a privilege to spotlight his outstanding work.

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Rob Kapilow brings music into people's lives: opening new ears to musical experiences and helping people to listen actively rather than just hear. And at Gel 2010 he explored the idea of "things that make you go hmmmm."

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The Khan Academy: What started as algebra lessons for his cousins has turned into a world-changing project. Hundreds of thousands of users worldwide have benefited from Sal Khan's friendly, accessible Youtube videos explaining math, science, and other subjects.

Sal has a vision of teaching the entire world, for free. His not-for-profit Khan Academy has the mission of "providing a high quality education to anyone, anywhere." In this outstanding Gel presentation, Sal describes the elements of the good experience he's trying to create.

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The Museum Of Bad Art: Bad art is meant to be appreciated, which is why Louise Sacco has curated an entire museum of it since 1994. Here at Gel 2010, Louise displays some of her favorite works and describes the thinking behind the museum and its relationship to the artists.

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Kevin Roose was a Brown University college student when he decided to take a "semester abroad" at Liberty University, the school founded by evangelist Jerry Falwell. Kevin wrote a book about his experiences there called The Unlikely Disciple: A Sinner's Semester at America's Holiest University - distinctive in its respect for both sides of the cultural divide, and in Kevin's willingness to truly listen to people different from himself.

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The GuitarBot, live: Eric presents the GuitarBot live on stage and explains the thinking behind some of his other projects in making electronic musical robots.

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Drawing on his six-word memoir project, Larry invited the audience onstage to describe some experience of the conference in six words or less.

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The Oldest Living Things in the World: Rachel Sussman takes photos of living things that are at least 2,000 years old. Here at Gel 2010 she gives a tour of some of the surprisingly old life forms she's encountered all over the world - and the lessons she's learned about persistence and longevity.

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