According to the reddit submission - http://www.reddit.com/r/programming/comments/hk4j5 http://www.reddit.com/r/programming/comments/hk4j5 - seems to be using A

According to the reddit submission - http://www.reddit.com/r/programming/comments/hk4j5 http://www.reddit.com/r/programming/comments/hk4j5 - seems to be using Amazon Mturk.