One crude way for them to measure this right now is looking at the number of requests that are made for the emoticon image. There are some problems there (cach

One crude way for them to measure this right now is looking at the number of requests that are made for the emoticon image. There are some problems there (caching, does emoticon sent or emoticon received, how often do you count a request per ip)...far-fetched...but as long as we are dealing with a hypothetical situation...