Originally Posted by After Shock Media

Despite its flaws. ICQ has been the main messanger of choice for almost a decade. We just can not one day up and switch unless we absolutely have to by force. Not only do we have a shitload of contacts within it. We also have litterally years of history files that many of us still use.
Other programs have came close to ICQ's functions I will admit. None seem to hit it on the mark and gather them all into one application like ICQ does.