And, though the ideas of some of these channels are comparable to individuals of a chat space, there is a massive distinction between the two. He observed them to be articulate with sizeable temperament, a necessity for the success of this sort of channels. Marshall Cavendish Corporation (2004). Encyclopedia of the Aquatic World. Semmens (2004). "Understanding octopus expansion: designs, variability and physiology". O'Shea, S. (2004).