by Low Lai Chow in Tech on Monday 3 February 2014

Chinese New Year, a time where the Chinese traditionally return home for family reunions, is a massive annual holiday that lasts for 40 days in mainland China. This time it kicks off from end January, and Baidu, the Chinese equivalent of Google, has introduced an online heat map that that updates every four to eight hours and shows the movements of these Chinese travelers by gathering location-based smartphone data from its 200 million or so registered users. Now that is a lot of migratory humans, albeit temporarily.

Via Tech in Asia