You make some compromises for a cheaper phone. The new Razr Plus has a bigger cover display and runs on a more capable system-on-chip. But you don't get a telephoto lens on the less expensive Razr. Instead, Motorola went for "good enough" specs on the $699 Razr, but I'm sure people using the less expensive phone really don't notice or care.

Commentary: Apple is the only major phone maker without a foldable phone. Here's why it needs to get in the game.