2015
Online
Gold
Crowdsourcing, which exploits the collective intelligence of thousands of people to tackle big problems, has become popular in business, political, and academic circles. But Mark Harris described how a hacker and a friend infiltrated a DARPA-sponsored "Shredder Challenge" and created havoc. Participants in the challenge had to piece together 6,000 chads from documents that had been put through high-end shredding machines. Some of the teams used sophisticated computer algorithms to help match images of the chads that had been posted online. But the hackers managed...Read more