Answer:
B. continuous innovation
Explanation:
Based on the information provided within the question it can be said that this new innovation is an example of continuous innovation. This term refers to a new innovation added to an existing product, in which the change is implemented to an existing aspect of the product. Which in this scenario the part that was adjusted/changed was the patented "Quadpacer" interval timer, which was added the ability to alert users to change quadrants every 30 seconds.