MacVoices #22125: Jeff Carlson Takes Control of Your Digital Storage In his new update to Take Control of Your Digital Storage from Take Control Books, Jeff Carlson adds to our understanding of how our mass storage devices interact and perform with macOS Big Sur, and how that differs from previous versions of the system software. From Thunderbolt 4 and USB4 to managing APFS volumes and questions over the snapshots, a great deal has changed. Jeff helps us understand what changes we need to make.