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How many social networks are you in?

O my god so many of them.

Every now and then there is a mail in my inbox that invites me to a friend's social network. I consider myself very responsible maintaining my online presence. but I am not a big admirer of these social networks. I was quite attached to orkut at one time, but having realised how unproductive it is for me, I quit. I still keep it on, but its no longer an active mode of communication. Why do we get invites? these days all the social network applications are exploiting the API by Gmail and yahoo to look up address book and invite all of them for membership. Sometimes, I hate myself being in those address books.

Do you think once before you allow the applications to access your address book? Do you know what they could do? Try and find out.
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