Visualizing data with graphical charts

These days, more than ever, the web is making use of graphical charts to visualize data. Tools which provide information about trends, analytics and statistics have been made available for users to leverage insights.

The rise of big data technology (http://en.wikipedia.org/wiki/Big_data) enables computers to perform complex analysis and produce insights on large scale data. With the help of smart algorithms, information can be visualized in a simple manner using graphical charts. Evidence to this can be see in Google's Trends tool (http://www.google.com/trends), and other services such as Google Analytics or Google Adsense. YouTube's video statistics are a common use and even SoundCloud, where a user can take a look at his or hers audio tracks popularity trend as shown in the following screenshot:

Versions prior to Drupal 7 featured charting modules based on open source libraries, such as open flash charts which required browser's Adobe Flash plug-in...