Introduction / Clive Thompson -- Doctor Delicious / Ted Allen -- Say everything / Emily Nussbaum -- The pedal-to-the-metal, totally illegal, cross-country sprint for glory / Charles Graeber -- The polarization of extremes / Cass R. Sunstein -- Fragmentary knowledge / John Seabrook -- The life of the Chinese gold farmer / Julian Dibbell -- How your creepy ex-co-workers will kill Facebook / Cory Doctorow -- The meteor farmer / Ben Paynter -- Breaking D-wave / Alex Hutchinson -- Your DNA decoded / Thomas Goetz -- The autumn of the multitaskers / Walter Kirn -- The brain on the stand / Jeffrey Rosen -- Twilight of the books / Caleb Crain -- These images document an atrocity / Robin Mejia -- The prophet of garbage / Michael Behar -- The (Josh) Marshall plan / David Glenn -- About the contributors -- Acknowledgments.