Population seven billion: How technology is connecting China

By the end of October 2011 the United Nations will announce that the world's population has reached seven billion.

The number of people on the planet is now rising by around 80 million a year.

But how are these changes affecting people's daily lives? BBC News speaks to seven people from around the world to hear their stories.

In China, technology is helping to create business opportunities and connect the populous country.

The BBC's Martin Patience went to Shenzhen to find out how mobile job hunting is helping migrant workers.

He spoke to the founder of the company, Zhixiang Liu.