Apple's adoption of Intel processors in 2005 sent big waves through the PC industry—and made the company's move to Apple Silicon, 15 years later, an even bigger deal. Editors' Note: Welcome to a new series called An Apple a Day, where we’ll share pieces of Apple content from our archives daily from now through late September. In addition to PCMag, this series will include pieces from our sibling sites CNET, Lifeha... [3629 chars]