From www.xkcd.com A visualisation such as this can be used as a tool of analysis like any other (and It would be good to have access to the data from where is came; otherwise it is just a pretty picture).
Travel + Digital + Education
From www.xkcd.com A visualisation such as this can be used as a tool of analysis like any other (and It would be good to have access to the data from where is came; otherwise it is just a pretty picture).