Photo detail

In this photo, a robot named Pepper stands in the lobby of the Mandarin Oriental in Las Vegas. Pepper is programmed to interact with guests and answer pre-programmed questions. (AP Photo/John Locher)

Stories this photo appears in:

Tease photo

Las Vegas hotels bet on technology to attract, dazzle guests

It takes just minutes for a room service attendant to respond to a text message asking for a soda, bringing the Diet Coke on a tray with a glass of ice and lime wedges, no need for the modern hassle of placing a phone call.