Visitors look at cell phones at the Global Mobile Internet Conference, Beijing, May 10, 2012. The Global Mobile Internet Conference opened in Beijing Thursday with the theme of "Crossing, Merging, Changing". It attracts about 5,000 participants from more than 20 countries and regions. [Photo/Xinhua]

A Nokia staff member (R) introduces products to visitors during the Global Mobile Internet Conference, Beijing, May 10, 2012. [Photo/Xinhua]