MIT Media Lab Professor Alex Pentland talks about how big data shapes our life and people's relationship at BIG Talk, a series of idea-exchanging conferences organized by Baidu. Alex Pentland has helped create and direct MIT’s Media Lab, the Media Lab Asia, and the Center for Future Health. In 2011 Forbes named him one of the world's seven most powerful data scientists along with a founder of Google and the CTO of the United States. [He Shan / China.org.cn]