On Heads, Trees, Cells and Brains - or: Why Flat Hierarchies Workhttps://weblogs.java.net/blog/rah003/archive/2014/07/27/heads-trees-cells-and-brains-or-why-flat-hierarchies-work by donretag • 12 years ago 1 0 12 years agoWEweblogs.java.net