Interesting Freakonomics episode [0] about this, where among other things they suggest that the most efficient queue puts newcomers at the front, essentially LI

Interesting Freakonomics episode [0] about this, where among other things they suggest that the most efficient queue puts newcomers at the front, essentially LIFO... thus transforming the queue to a stack! [0]: http://freakonomics.com/podcast/what-are-you-waiting-for/ http://freakonomics.com/podcast/what-are-you-waiting-for/