Communication is one of the most powerful tool for people convey their ideas, thoughts, and feelings. Although, it seem that communication is the most easier way for humans to deliver their ideas, the author Laura Greenstein explains in our textbook, “Humans communicate in the most complex ways: in writing, orally, visually, and thought multiple sensory modalities” (94). In other words, communication is more than to articulated words to define our thoughts. Especially, when through communication, teachers have to transfer knowledge to their students. Nowadays, amazing advances has been made in technology, as consequence, as Greenstein states, “In the 21 Century… digital age requires communication using technologies, as well as interpreting
