One of the most intriguing growth opportunities for Alphabet (NASDAQ: GOOG)(NASDAQ: GOOGL) these days is in robotaxis, via its Waymo business. It has the potential to revolutionize the taxi industry.

One of the big issues facing this emerging technology has been that it's error-prone, especially as the number of quantum bits (qubits) it uses increases. With its new Willow chip, Alphabet has ...