Southwest Airlines gives in to this flight-booking hack

For years, it was a distinction that set Southwest Airlines apart from all the other airlines. The airline refused to allow its flights to appear among competitors when using third-party sites like Google Flights to book a trip. Some travelers were so peeved by Southwest’s absence that one developer created a Google Chrome extension called Travel Arrow that automatically placed Southwest on Google Flight searches. The extension was installed more than 30,000 times in its first few months. Unexpectedly this week, Scott Keyes, who founded Going, noticed that Southwest had...