Shanghai metro: "o sweep code" belongs to harassment Don't trust

On March 4, Beijing subway, a man who abused two "code entrepreneurship" woman, and mobile phones to push people to get off the video of a large number of Internet users. A passenger, in Shanghai subway car, on the platform, the "code" phenomenon also happen from time to tome. Shanghai metro has called for, in order to ensure the security of personal information, don't trust strangers propaganda, cautious and yards. As the mobile Internet portal, qr code due to technical threshold is almost zero...