1. An apparatus for triggering a private browsing function of a web browser application program, comprising: a processor; and memory connected to the processor, wherein the memory is encoded with instructions and wherein the instructions when executed comprise: instructions for receiving a URI for a web browser application program, said web browser application program further comprising a private browsing function; instructions for inspecting said received URI for an associated predetermined private browsing indicator, said private browsing indicator comprising a tag inserted into said received URI; in response to identification of said tag inserted into said received URI, instructions for triggering operation of the private browsing function of the web browser application program; in response to operation of the private browsing function, instructions for deleting a predetermined set of data received by the web browser application program from said received URI and stored in a web browser data cache, said set of data comprising at least visited pages, form and search entries, password and usernames, download list/log entries, cookies, web cache, and active logins; and upon completion of a private browsing session to said received URI, returning to a non-private browsing session until identification of another private browsing indicator.