What's the best presentation you've ever seen at a tech conference?

The Engineer, The Designer, and the Dictator

Presented by Michael Lopp at NSConference 6 2014 in Leicester

Suggested by Robert Wijas

The Little Ideas

"Including my faux product launch for The Book." No video available, but here's another of his:

So You Have An App Idea?

Presented by Dave Addey at iOSDevUK 2013 in Aberystwyth

Suggested by Steven Vandeweghe

DMT, the NeXT and the Soul of the Human/Machine

Presented by Andy Stone at AltWWDC 2013 in San Francisco

Suggested by Diogo Tridapalli

How Designers Destroyed the World

Presented by Mike Monteiro at Webstock 2013 in Wellington

The original site is still available.

Suggested by Daniel Barden

Apple Is Huge Now* (*And that sucks for you)

Presented by Dan Moren and Lex Friedman at Çingleton Deux 2012

Suggested by Scott Little

Craftsmanship and Ethics

Presented by Uncle Bob Martin at The Skills Matter eXchange 2012 in London

Suggested by R. Peres

When We Build

Presented by Wilson Miner at Build 2011 in Belfast

Suggested by Cyriel

Simple Made Easy

Presented by Rich Hickey at Strange Loop 2011 in St Louis

Suggested by Richard Feldman

Product Engineering

Presented by Mike Lee at 360|iDev 2011 in Denver

Suggested by Shawn Grimes

Making Really Annoying iPad Apps

Presented by "Evil" Matt Gemmell at NSConference 2011 in Wokefield Park

Suggested by ???

Making the New Everyday Things

As an updated replacement Aral recommends:

Presented by Aral Balkan at NSConference 2011 in Wokefield Park

Suggested by Robert Wijas

Prototyping iPhone User Interfaces

Presented by Bret Victor at WWDC 2009 in San Francisco

Suggested by Gordon Hughes

Solve Real Problems

Presented by Aaron Hillegass at C4[0] 2006 in Chicago

Suggested by Daniel Jalkut

Identity 2.0

Presented by Dick Hardt at OSCON 2005 in Portland

The original site is still available

Suggested by Paul Schreiber