Infogr.am has become a leader in the data visualization field. It is especially good for web content and specializes in interactive charts, graphs, and maps. It can also be connected with a Google account to create live data which automatically updates when changes are made to the source material. A free plugin makes it easy to incorporate your material into a Wordpress blog. It uses a drag and drop method to insert content to the infograph and is an easy program to learn. Tutorials provided by the company itself makes it even easier to master.