This visualisation by Brian Halloran is used to show user interaction with events on webpages after they receive an email. It’s a complex example but one that highlights all the flows to the user and offers key insight once they understand it. The User Guide offers detailed instructions for users.

Interactive version is here:

https://public.tableau.com/profile/brianhalloran#!/vizhome/CUSTOMER_WEBPATH_ANALYSIS_MASKED/WebPathAnalysis