Metallics
A century ago, metal was used only for a home's hardware, Platt says. Now you see it everywhere, from kitchen countertops to wall panels. "The different finishes have done that," he says, referring to the wide selection that's available. "A lot of the mansions have metal tiles on the walls in the powder room."
Attriums
Remember these from the '70s, with their obligatory potted plants? They're back, but now "it's more sophisticated with water features and skylights," says Brooke Ziccardi, principal of Ziccardi Designs in Costa Mesa, Calif. "Life is so busy and communication technology is all around us. To see living things and running water is restful for people."