Just 10 weeks after it was launched, Wal-Mart has shuttered ‘The Hub,’ the retailer’s pathetic attempt to cash in on the social networking craze. The site was widely panned for both its overt promotion of Wal-Mart and its strict controls imposed on users. What a shock that a company like Wal-Mart, who is perpetually struggling with its brand, was unable to extend its reach outside its core strength and gain traction with a fickle demographic.