Is Social Media a Waste of Time?

Do you think that the time we are connected on line is a waste of time, or could it be productive? "I deal with social media much like a cocktail party. I wander in, have a drink, wander out, maybe, maybe, not" If i didn't have a job and i needed to tap my network, and is going to be on line a bunch, simply because that's a good purpose," he says.