DHS announced an interim final rule on the Electronic System for Travel Authorization (ESTA), a new online system for the Visa Waiver Program (VWP). Effective some time next year, all nationals of VWP countries who plan to travel to the U.S. under the VWP will need to receive an electronic travel authorization prior to departure.
Click here to read the FAQs on VWP Electronic System for Travel Authorization
Read the Factsheet here