What does the concept of corporate social responsibility mean for businesses

What does the concept of corporate social responsibility mean for businesses?  What sort of conflicts does corporate social responsibility create for corporations?  Is there a conflict between the shareholders of a corporation and the stakeholders of a corporation?  Can corporations/businesses really be socially responsible or are corporations/businesses really still thinking about their own best interests when they seem be acting in a socially responsible manner?

Needs to be minimum 150 words and post must be supported by facts, experiences or citations.