In recent years, we have witnessed profound changes in business and society. The use of digital technologies has brought about disruptive changes in every domain, changes that are widely known as the "digital transformation." Systems are growing increasingly interconnected and complex with cyberphysical systems even sensing and actuating in the physical world. Typical computer, tablet, and smartphone users include anyone from children to the elderly. A single software product can now easily reach audiences of millions with unprecedented opportunities to obtain feedback.
