Apple's iTunes program was once the envy of the world. A combined digital music store and player, it could also sync your iPod. And it worked on both Mac and Windows. It was reasonably fast and very sure-footed.

I've been a regular customer at CVS Pharmacy, the country's second-largest drugstore chain, for 20 years. I've spent a small fortune there over that span, visiting several times a week to pick up everything from milk to toothpaste to prescriptions.

My Safari bookmarks only sync intermittently across my Apple devices. Unlike Amazon's Kindle app for Apple products, the company's iBooks doesn't remember where I left off unless I set a bookmark.

Walt Mossberg Quotes