Technology

I tested Apple's $2,000 iPhone Duo. It's a fascinating experiment, but the price is hard to justify.

I've spent the past week trying to figure out whether Apple's $2,000 iPhone Duo is the future of smartphones or just an expensive way to do things I could already do on my regular iPhone. The answer, unsurprisingly, is a bit of both. Why it matters: Apple wasn't first to the folding smartphone party. Samsung, Google and others began making them years ago. But Apple's arrival in a category has a way of reinventing it. The big picture : The most exciting thing about Apple's first foldable iPhone i