Hilary and Roger ring in the new year with a discussion of Theranos and the pitfalls of diagnostic testing, Spotify's Discover Weekly playlist generation algorithm (and the need for human product managers), and of course, a little Star Wars. Also, Hilary and Roger each give some "free advertising" to something interesting that they think other people should know about. Show Notes: Gosset Icterometer (http://goo.gl/JDk6ni) Entertainment medicine Spotify's Discover Weekly (http://goo.gl/enzFeR) Variance Explained (http://varianceexplained.org) What3Words (http://what3words.com)