Palm helped popularize the idea of a modern smartphone with its Palm Treo, but after failing to keep up with the iPhone and Android the company has been reborn. Its new product: A 3.3-inch companion device to work alongside those phones, not replace it. Palm is back – well, sort of. We're not talking about a comeback of the PDA maker, back when that meant personal digital assistant. This Palm has Steph Curry on its team and is making a play for the as-yet undefined market – the one for a mini clone phone.