According to Sundar Pichai, Google has made significant investments over the past decade in AI technologies, including the development of Tensor Processing Units (TPUs) and data centers. These innovations are crucial for powering services like Search and Gemini, highlighting the ongoing AI platform shift. This information was shared in a discussion with Cade Metz and featured in a New York Times story, emphasizing the behind-the-scenes technological advancements driving Google's AI capabilities.