anchor.diff:  %%
   %% -------------------------------------------------------------------
   
  +%% @todo I don't believe the cache is even necessary, but use it for
  +%%       now.  At this point, it's superfluous, given that it
  +%%       immediately updates the cache on update.
  +
   -module(lasp_advertisement_counter_client).
   -author("Christopher Meiklejohn <christopher.meiklejohn@gmail.com>").
   
  
positive.code:                                                 {strict, Previous}),
  
                         %% Send them back to the gen_server.
                         Self ! {update, Result}
                 end).
  
negative.code: 
  -include("lasp.hrl").
  
  %% Macros.
  -define(IMPRESSION_INTERVAL, 1000).
  -define(LOG_INTERVAL, 10000).
  
  %% State record.
  -record(state, {actor, cache, impressions}).
  
  %%%===================================================================
  %%% API
  