In more recent news, a team in the DARPA shredded document reassembly challenge based one of the hardest solutions in part on correctly placing pieces based on

In more recent news, a team in the DARPA shredded document reassembly challenge based one of the hardest solutions in part on correctly placing pieces based on those yellow dots... which they learned about on hacker news :) http://news.ycombinator.com/item?id=3368611 http://news.ycombinator.com/item?id=3368611