I'm sure there are better articles on this topic, but this was the one I was referring to. It's from 2007:
http://www.associatedcontent.com/article/198991/purity_balls_smart_thinking_or_creepy_pg2.html?cat=23
I'm sure there are better articles on this topic, but this was the one I was referring to. It's from 2007:
http://www.associatedcontent.com/article/198991/purity_balls_smart_thinking_or_creepy_pg2.html?cat=23