You can find most of our brochures, documentation, and presentations in the public Dropbox folder https://www.dropbox.com/sh/yqfepqsb9omu10f/AAAOOR42Kp0K6XeZai64eI0Sa?dl=0.
Case studies can be found on our web site at http://www.thes4group.com/case-studies.
Additional Comments
Refer to The S4 Group web site http://www.thes4group.com product pages for product details, articles, FAQs, etc.