26/08/2020 12:08 - Hotel companies have been promoting new cleaning initiatives for months as a way to regain traveler confidence. But guests at some hotels in the United States say they are not living up to the promises. ...
26/08/2020 12:08 - A tech start-up named for objects in “The Lord of the Rings” has become a major government contractor. But what it does is not easy to understand. ...