Is the Internet Inter-active enough?

Interactivity untill recently meant software interactivity. Software Engineers were keen on developing softwares that can interact with the user based on business logic and algorithms. The new Social Networking concepts are proving that enabling human interaction via softwares are as valuable too.However we are yet to see the explosion. My friend was mentioning about Time magazine featuring “YOU” as the Person of the year 2006 because of the participation of the PEOPLE in the internet. Are these social networking sites the only answers for interactivity on the net? 
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