As the one major social networking site that actually has gone public, LinkedIn is facing more pressure than its competitors to produce revenue and ultimately turn a profit. Because it now answers to antsy anonymous shareholders -- rather than somewhat more patient venture capitalists or angel investors -- LinkedIn has to make money now. That could explain why the site that's known as the premier social network for business professionals has made a couple of recent changes that could be interpreted as attempts to cast itself in Facebook's image.
e-Commerce Times