TOKYO -- The travel industry isn't what it used to be. Budget airlines and websites like Expedia and Booking.com are disrupting old-fashioned agencies. Airbnb and other home-sharing services are giving hotels a run for their money. But these companies are only beginning to answer globe-trotters' most important question: what to do once they've reached their destination.

Startups in Asia
Taiwanese travel startup KKday gives local tours a global reach
Millennials drawn to last-minute bookings and on the ground tips