Despite the many differences in application, most people agree on that the disruptive innovation are: 1. Cheaper
2. More accessible
3. And use a business model with structural cost advantages.
Due to the presence of these characteristics in disruption, it's difficult for an existing business to respond to competition. To read more above disruptive innovation follow: https://hbr.org/2016/01/how-big-data-is-changing-disruptive-innovation