The theory of social contracts extends as far back as Plato. However, it was the great 18th century social philosophers John Locke, Thomas Hobbes, and Jean-Jacques Rousseau who brought the concept of a social contract between citizens and governments sharply into political thinking, paving the way for popular democracy and constitutional republicanism.

As a speaker, business leader or marketer of any type, the onus is now on each of us to become equally capable of communicating very personally with a seemingly endless number of people connected by social technologies.

Perhaps the most powerful lesson other brands can learn from Nike is the need to act in accordance with the reality of the world we live in. In a mutually dependant, intimately connected global community facing several major crises, brands need to operate with an expanded definition of self-interest that includes the greater good.

More brands are waking up to their social responsibility and doing good work through cause marketing campaigns. Yet too many still go about it the wrong way. I mean 'wrong' in two senses. Firstly, they are marketing ineffectively, and secondly, as a consequence their positive social impact is not maximized.

Through their own actions, customers can hold companies responsible to higher standards of social responsibility. Through collective action, they can leverage their dollars to combat the force of those investors who myopically pursue profits at the expense of the rest of society.

Everyone living under the social contract we call democracy has a duty to act responsibly, to obey the laws, and to abandon certain types of self-interested behaviors that conflict with the general good.

The theory of social contracts extends as far back as Plato. However, it was the great 18th century social philosophers John Locke, Thomas Hobbes, and Jean-Jacques Rousseau who brought the concept of a social contract between citizens and governments sharply into political thinking, paving the way for popular democracy and constitutional republicanism.