sentences:  It remedies many logistical problems that are associated with traditional classroom settings, such as the need to be present on campus at a certain time, which is often a prohibitive stumbling block for those who work full-time.While distance learning can be conducted via a variety of communication media, the preferred method today is to deliver course content and facilitate interaction among students and between the instructor and the student via the World Wide Web.Instructional design coordinators are responsible for overseeing the development and distribution of web-based course content, working with instructors to develop and maintain functional web pages and facilitate the use of dynamic web applications for the distribution of course content, assessments, communication, grade reporting, as well as other tasks required to conduct a complete online learning program via the web.