Google has been releasing some half-hour educational videos for marketers to get more out of Google Analytics. Earlier, we shared one specifically for Mobile App Analytics with Android.
Here's another one about content experiments.
In the video, Google Analytics advocate Pete Frisella talks about various advanced implementations of Content Experiemnts.
Google has been making quite a few changes to Google Analytics lately. You can see some of the most recent ones here. For more educational resources related to Google Analytics, check out the recently launched Analytics Academy.