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.
A technology that significantly alters the way that businesses operate. A disruptive technology may force companies to alter the way that they approach their business, risk losing market share or risk becoming irrelevant. Recent examples of disruptive technologies include smart phones and the e-commerce retailing.