Quick privacy scan of their homepage only shows scripts being launched from 6 different companies and tracking cookies from optimizely and themself. (along with google analytics).

This actually has fewer than the average for tracking cookies placed on a homepage yet they are able to uniquely identify you. Privacy isn't gone on the web, but it is getting harder by the day. Some data can be passed outside of cookies and just through loading the scripts, but in general this site seems to be much ahead of average. (~10 unique domained scripts and ~7 unique domained cookies).