Your idea is pretty much exactly what Google Analytics' Visitor Flow does, complete with 'waste' flow dropping off downwards: http://support.google.com/analyti

Your idea is pretty much exactly what Google Analytics' Visitor Flow does, complete with 'waste' flow dropping off downwards: http://support.google.com/analytics/bin/answer.py?hl=en&answer=1709395 http://support.google.com/analytics/bin/answer.py?hl=en&... Good that you had the idea, though :) Maybe you can apply it profitably in some other domain.