Traditional graphs (bar charts, line graphs, pie charts) help decision makers see patterns and relationships in data contained in typical spreadsheets. However, more advanced virtualization techniques are required to understand Big Data. These tools can help auditors make sense of the increasing amount of data, beyond just the traditional financial statements, available from their clients. Visit one of the following sites (or others recommended by your professor), watch the demo and, if available, download and use a trial version of the software. Write a review of the demo(s) you view and the trial version of any product(s) you test. Virtualization tools: 

Tableau-available from www.tableausoftware .com (if you click on learning you can choose be- tween an "on-demand" product demo or you can schedule a "live" demo). 

Spotfire available from www.spotfire.tibco.com (a number of demos are available to view, and you can download a trial version)