1. An apparatus comprising: one or more processors; memory storing one or more sequences of instructions which, when executed by the one or more processors, cause: receiving digital data; determining whether the digital data can be associated with one or more categories by determining whether a first match between one or more image characteristics of the one or more categories and one or more image characteristics of the digital data is found; in response to determining that the first match is found: associating the one or more categories with the digital data; determining, based at least in part on the one or more categories, one or more applications that are to be used to process the digital data; in response to determining the one or more applications that are to be used to process the digital data, initiating the one or more applications to process the digital data.