Anyone using Twitter in the browser uses the Twitter website and sees the ads it serves. But many people using Twitter in an app use a third party app rather th

Anyone using Twitter in the browser uses the Twitter website and sees the ads it serves. But many people using Twitter in an app use a third party app rather than the official one. These people don't see ads. If Twitter's goal is to get more ad views, exanding their share of the app market is more important than the web market that they control already.