Good point. Amazon is kind of like it. But searching for a product on amazon is like searching of some info on wikipedia. However, Google search spans a across

Good point. Amazon is kind of like it. But searching for a product on amazon is like searching of some info on wikipedia. However, Google search spans a across all of web. So, we do not have something that spans across all sites to hunt for the best airline ticket. Taking into account all of the preferences.