I write this book concerns how and why computer industry develops can create (AI) tool to predict traveler entertainment behavior as well as ecommerce development, I aim to let readers to judge whether it is possible to predict future travel behaviour from AI tool to gather past travel behaviour or traditonal tourism market research method which is better. This book is suitable to any readers who have interest to predict any individal or family or friend groups of travel target's psychological mind to design the different suitable travel packages to satisfy their needs. Finally, I shall give my opinions to attempt to answer above questions. It is suitable to any readers who have interest to compare whether online travel agent competitive effort is more or online book store effort is more to develop their online sale market.