Another possible variation is that for example when searching for video files for example on <a href="http://youtube.com">http://youtube.com</a> or on <a href="http://video.google.com">http://video.google.com</a> or similar sites, preferably the user has more advanced search parameters or options, such as for example requesting a specific upper and/or lower time-length limit (for example in minutes and/or seconds)(although video.google.com allows choosing one of thre