The most recent round of quarterly growth confirms that for the Big Three digital advertising giants Alphabet, Amazon, and Meta, age has not wearied them, and neither has a cost-of-living crisis in Western markets. Nor, for now, has the unwelcome attention of regulators across the world. Instead, less than two years after the tech sector went into a sharp and brutal reversal, digital's Big Dogs are experiencing robust growth and rude health on the revenue front. But it's tomorrow's fights that matter most, not the last quarter's, and the future is all about AI, according to the earnings calls with their shareholders.