How is hulu.com social? Most of the non-social sites are places you'd only go if you're looking to buy something of a specific brand. They're probably losing

How is hulu.com social? Most of the non-social sites are places you'd only go if you're looking to buy something of a specific brand. They're probably losing to amazon (not shown) and the recession. Others are old-school news sites, which are losing to blogs, aggregaters and specialized sources. In short, the article fails to make its claim.