THE SOCIAL MEDIA AND WEB 2.0 (though both are considered synonymous by some) provided the netizens with amazing new possibilities, like a new universe opening up with everyone mingling with everyone else. While the web (no pun intended) of these collaboration network, social in nature, kept increasing in complexity and continued expanding, there was no measure for if it were to follow the same yo-yo model of the actual Universe (try here ) . In other words, it was very difficult to ascertain if the motion was inward or outward, for there were no clear boundaries defined or known. The size of the neocortex of the brain allows humans to have stable networks of about 150. This is known as "the Dunbar number". With the help of Dr. Robin Dunbar’s research, perhaps we now have the first indications toward the limitations of Web 2.0 vis-a-vis human psychology and behaviour. Dr. Dunbar is an anthropologist currently with the Oxford University and has studied primates and humans and t