A method for authenticating a universal serial bus on-the-go device is provided. When m is 2 the perovskite manganese oxide thin film has a orientation. The video processor includes at least one sub-processing-tasks processor which is configured to execute one or more sub-processing tasks respectively. The system and method provide for capturing an image of at least one character fixed in a medium; determining at least one letter of an alphabet corresponding to the at least one character; determining a numerical value for the determined at least one letter; looking up in a database a hyperlink corresponding to the numerical value; and presenting the hyperlink on a display device.