43. The system of claim 42 , wherein the at least two categories is any combination of an explicit content category and a first plurality of legitimate content categories, a legitimate content category and a second plurality of explicit content categories, or a third plurality of explicit content categories and a fourth plurality of legitimate content categories.
43. The system of claim 42 , wherein the at least two categories is any combination of an explicit content category and a first plurality of legitimate content categories, a legitimate content category and a second plurality of explicit content categories, or a third plurality of explicit content categories and a fourth plurality of legitimate content categories. 44. The system of claim 43 , wherein the one or more processing devices further performing operations, comprising: blocking the multimedia content based on the classifying.