Chapter 3 and the exclusion of teachers, chalkboards, and texts

In Chapter 3 of the textbook, teachers, chalkboards, and textbooks are excluded from the definition of instructional media because in today's climate of education, teachers are at times not necessary and are many times not "in front of a classroom"; chalkboards are antiquated and not used, and textbooks have a variety of formats due to advances in technology. There are so many methods of technology available to educators today, that including these three things in instructional design immediately puts limitations or at least perceived limitations because of the non-technological nature of the three.

I would say that teachers are not part of instructional media but more an instructional means or method.  I feel that one purpose of instructional design is to incorporate technology into today's instruction, because as educators we are challenged with teaching to many learning styles and use many methods of delivery.  By including technology into design, we are more apt to design a lesson that can appeal to many learning styles and be appealing to today's student, thus aiding in the successful outcome of learning for more students.