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Karen Cheng at Ignite Seattle

58,322 81 7

OK GO's Rube Goldberg machine

Adam Sadowsky at Ignite Show

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Scott Berkun at Ignite Seattle

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Defeating Big Brother

Dr. Alex Kilpatrick at Ignite Show

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The Secret to Being Furiously Happy

Jenny Lawson @thebloggess at Ignite

43,346 229 4

Jane the Concussion Slayer

Jane McGonigal at Ignite Show

38,708 86 8

A Series of Tubes

Molly Wright Steenson at Ignite Show

38,378 1,378 4

The Art of Pro Wrestling

Mike Quackenbush at Ignite Philly

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Hydrogen and Helium

Brian Malow at Ignite San Francisco

31,082 39 5

Botanicalls: Homegrown Terra-rists

Kati London at Ignite Show

30,558 57 3

The secret underground world of Lego

Hillel Cooperman at Ignite Show

29,686 95 7

Shut the F*** Up

MeiMei Fox at O'Reilly

25,596 48 5

Samurai swords: cutting edge technology

Jonathan Kahan at Ignite NYC

25,534 185 8

How to give a kickass demo

Stephen Lead at Ignite Sydney

25,342 65 15

Feeling better is better

Kathy Sierra at Ignite Show