Final answer:
The introduction of touch screen cell phones while keypads were still prevalent is an example of Product Innovation. It signifies a major shift in the industry and user experience.
Therefore, option A is correct.
Step-by-step explanation:
The launching of touch screen cell phones when the world was still accustomed to using keypads is an example of Product Innovation. This type of innovation refers to the introduction of a new or significantly improved product or service that adds value to users. The transition from keypad phones to touchscreen technology was a monumental shift in the mobile phone industry, illustrating how companies can revolutionize the market by integrating new technologies into their products. Such innovation not only changes consumer behavior but also paves the way for new product standards and enhances the user experience.