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.
Disruptive: Coined by professor, author and entrepreneur Clay Christensen. Disruptive innovation is when new products or services start out at the bottom of the marketplace but end up eventually moving up and displacing their competitors.