I have been given the task of determining presence for all employees.  For those that do not know what presence is, basically it is determining where you are at and what your status is.  Are you at work?  Are you on your cell phone traveling?  Are you at home? If you are at work are you available?  My task is not to track location as much as providing status of employees while at work.
Those that have gone down this road before know what technology I am thinking of, Jabber.  Jabber …