When I was using twitter yesterday, I noticed the fact that the structure of following and followers at twitter just resembles neural network. I thought that this structure was so obvious that everybody had already taken it for granted. However, I got some positive feedbacks from my twitter followers so I decided to elaborate this idea a little further on my blog.
Twitter and a human brain look alike in many ways. Both of them are networks with a tremendous number of small nodes. These nodes are brain cells or neurons in a brain, while they are users on twitter. A neuron has many inputs and outputs called synapses that conduct stimulus. Similarly, a twitter user has following users and followers, where inputs come from following users and outputs go to followers.
Twitter and a human brain have the same mechanism to channel information. So we may say that twitter has literally become "a brain" now . Just as collaboration of all the brain cells creates a thinking process collectively, twitter "thinks" when innumerable people tweet, exchange ideas and influence each other. On twitter, we all become one brain.