This is the last issue of 1999, the last issue of volume 5, and the last issue that is free of charge :-) . Yes, you should subscribe to J.UCS immediately now, see http://www.iicm.edu/jucs_news , to be able to further read the excellent papers in forthcoming issues: the three papers in this last issue are all "top" papers, i.e. all of the referees of each of the papers gave top marks. Congratulations to the authors, and happy reading to all!

Let me once more return to the subscription issue: for a mere US $100.- / year everybody in your organisation has password free and hence unobstructed access to J.UCS, both for all issues of 2000, and for all back issues (61 by now, with some 300 papers!). So, please make J.UCS a continuing success-story by subscribing and reading it, by sending good papers for publication, and by mentioning it to a friend here or there. Thanks!

All the best for 2000 and further cooperation,