What’s ” worthy ” of being social networked?

"No one should submit themselves to the indignity of creating a user profile and friend connections based on cola or cat litter."
Amen.
At the risk of being lynched or perhaps simply whacked, I am finally coming out of the closet on this issue. I've often had trouble getting some of the online communities I see sprouting up. Never mind something as grandiose as a social network, I even have a hard time understanding the value of building e-mail lists or perhaps even web sites for products with such fleeting consumer connections as salad kits or gum.
Having said that, what is worthy of being social-networked? On a related note, has everyone gone stark raving mad trying to social network just about everything within reach?
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