Every time we bookmark a website we not only save it for later but add a piece of information to the page itself. Each bookmark can be treated as a 'Like' and every folder can be represented as a Tag. All that information can be used to extend the meaning of a bookmark as it was to be - a collection of urls in menu bar of the browser.
I'm just starting my thesis on data visualization recently I was talking about this issue with my thesis advisor. After reading Peter Gassner's article "Data Visualization Is A Tool, Too!" on I decided to write this blog post. I see three big roles of data visualization...