Google offer paid email analytics? Out of interest do they have a free version like they do for websites too? All I can find online are things like [0] showing

Google offer paid email analytics? Out of interest do they have a free version like they do for websites too? All I can find online are things like [0] showing how to use web analytics to track emails etc. [0] https://plus.google.com/+DanielWaisberg/posts/XDrRoh3GoVP https://plus.google.com/+DanielWaisberg/posts/XDrRoh3GoVP