In fact, irrelevant content, such as advertisements, are often acceptable by desktop and laptop users because the screens are large enough that such advertisements do not overly distract such users from the content of the web page. However, if the same web page is displayed on a mobile device screen without being tailored to the small screen, users are forced to scroll the window manually in order to position the window properly for finding content of interest. This inconvenience seriously diminishes the usefulness of mobile devices in web browsing, as well as the value of the website to the mobile user.