We continue to study possibilities of the task panel in Windows 7. For certain all of you have paid attention that if the same application to start some times, Windows 7 will automatically group them in one button on the task panel. Besides at hover on a icon of this application the task panel will show a set preview for these windows. However, we see, that the same behaviour is realised for opened tabs in Internet Explorer 8. In this case one copy IE8 (we will lower technical details) and many tabs is actually started. In this case Internet Explorer displays them in the form of several previews. In this case it is very useful, because directly from the task panel it is possible to be switched at once on necessary tab.