I recall this related article posted on hackernews recently: <a href="http://www.tylerlhobbs.com/writings/watercolor" rel="nofollow">http://www.tylerlhobbs.com/writings/watercolor</a>
google cache: <a href="http://webcache.googleusercontent.com/search?q=cache:4XkwciawMxIJ:http://brutalism.rs/project/aesthetic-engine-2/%2Bhttp://brutalism.rs/projects/aesthetic-engine-2/&hl=en&ct=clnk" rel="nofollow">http://webcache.googleusercontent.com/search?q=cache:4Xkwcia...</a>