Concrete5 CMS will be phasing out the legacy version (5.6) over the next year. The latest version (8.4.3) has a ton of new exciting features built-in to the version. For more information read the release notes here.
Improvements have been made to the Express feature, some technical glitches along the way that needed to be ironed out. Overall, the use of Express to manage and organize a large amount of data has huge possibilities. Businesses and organizations can use the application to build information about different locations and have the information at their fingertips to display in a variety of formats.
Here is a good overview that illustrates the ways that Express can be used for multiple locations and employee bios.
If this is something that would interest you for your business or organization, please contact me via email for more information.