Not very sure how it works but this brings to light an interesting fact - for long we thought that jobs that require creativity and expertise acquired over the years like artists or doctors will be the last one to get automated by machines.<p>But the way I'm seeing things is that they may be the first one to automate.
MIT did a similar study to predict the virality of selfies - <a href="http://www.csail.mit.edu/memnet_photo_memorability" rel="nofollow">http://www.csail.mit.edu/memnet_photo_memorability</a>