No More Gut Feelings: How successful online shops find out what their customers really want
In many companies, the loudest voice in the room decides what the shop looks like. At Booking.com, the customer decides. The company runs more than 25,000 tests per year, with over 1,000 running simultaneously at any given time. This difference is no accident — it's the result of a culture any company can build. Here's why testing matters more than any single feature, why testing programs fail in practice, and how to get started.