What to know

• Tomorrow is Apple’s biggest product launch event of the year, with new Apple Watch models expected to debut. And now in an unusual move, the Apple Watch SE 3 is completely unavailable in all configurations on Apple’s website. more…S1
• Nearly all configurations of the Apple Watch SE 3 are suddenly "unavailable" on Apple's online store in the U.S. and other countries we checked, for reasons unknown. Apple is holding an event this Wednesday to announce new iPhones and Apple Watches, but an App...S2