A robotic concierge by the name “Oto” will begin helping hotel guests during their stay and is dressed to the nines in a top hat, formal vest and pants ensemble. “Oto” received his formal introduction ...

Connie is friendly, affable even, but a little stiff. She stands at the Hilton Hotel’s front desk in McLean Virginia and, for the most part, gazes out blankly into the distance. Until, that is, ...