19. The non-transitory computer-readable medium of claim 18 , where the particular category identifies links and additional information corresponding to the particular category.
19. The non-transitory computer-readable medium of claim 18 , where the particular category identifies links and additional information corresponding to the particular category. 20. The non-transitory computer-readable medium of claim 19 , where the plurality of categories corresponds to categories within a hierarchical directory, and where the instructions further include: one or more instructions to periodically crawl a network, associated with the one or more devices, to maintain the hierarchical directory.