var MyContainer = React.createClass({

  getChildContext: function() {

    // it exposes one property "text", any of the components that are

    // rendered inside it will be able to access it

    return { text: 'Where is my son?' };

  },

  childContextTypes: {

    text: React.PropTypes.string

  },

  render: function() {

    return  <Intermediate />;

  }

});

​

var Intermediate = React.createClass({

  render: function() {

    return <Child />;

  }

});

​

var Child = React.createClass({

  contextTypes: {

    text: React.PropTypes.string

  },

  render: function() {

    return <span>{this.context.text}</span>;

  }

});

​

React.render(<MyContainer />, document.getElementById('app'));

​