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11:24
382 030

The case for anonymity online

The founder of 4chan, a controversial, uncensored online imageboard, describes its subculture, some of the Internet "memes" it has launched, and the incident in which its users managed a very public, precision hack of a mainstream media website. The talk raises questions about the power -- and price -- of anonymity.
17:24
331 330

Dangerous memes

Starting with the simple tale of an ant, philosopher Dan Dennett unleashes a devastating salvo of ideas, making a powerful case for the existence of memes -- concepts that are literally alive.
21:00
106 984

Memes and "temes"

Susan Blackmore studies memes: ideas that replicate themselves from brain to brain like a virus. She makes a bold new argument: Humanity has spawned a new kind of meme, the teme, which spreads itself via technology -- and invents ways to keep itself alive
06:56
80 126

Diane Benscoter on how cults rewire the brain

Diane Benscoter spent five years as a "Moonie." She shares an insider's perspective on the mind of a cult member, and proposes a new way to think about today's most troubling conflicts and extremist movements.
18:25
61 191

How social networks predict epidemics

After mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began investigating how this information could better our lives. Now, he reveals his hot-off-the-press findings: These networks can be used to detect epidemics earlier than ever, from the spread of innovative ideas to risky behaviors to viruses (like H1N1).