With the elimination of the perpetual license, how much more will Autodesk programs cost you? Owen Wengerd did the research, and found the following ratios: 40% -- Annual subscription becomes more expensive (than perpetual) after 2 years and 5.5 months.
Modern examples of disruptive innovation include the development of mobile cellular telephones, digital cameras and e-book readers. Harvard Business School professor Clayton Christensen is noted for popularizing the term disruptive innovation in his book The Innovator's Dilemma.
The current theoretical understanding of disruptive innovation is different from what might be expected, an idea that Clayton M. Christensen called the technology mudslide hypothesis. This is the simplistic idea that an established firm fails because it does not keep up technologically with other firms.