Google to Alphabet

How has leaderships perception of the customer changed from pre- to post-Alphabet? How has Google managed to stay ahead of the new waves of innovation? How does moving to a holding-company model help with some of the internal challenges Google faced, e.g. corporate direction, product focus/competition, etc.? How is Alphabet an ambidextrous 0rganization?

You must have access to the Harvard Business Review for the case.
Case study:

For the reference please can you please include one from Lead and Disrupt: How to Solve the Innovator’s Dilemma Book by Charles A. O’Reilly III and Michael L. Tushman?