Hi all.<br><br>I just wanted to comment that in es-wikipedia, a guest book was implemented. As far as I know, it started on April 2005.<br><br><a href="http://es.wikipedia.org/wiki/Wikipedia:Libro_de_visitas">http://es.wikipedia.org/wiki/Wikipedia:Libro_de_visitas
</a><br><br>Of course, this only covers one of the projects of wikimedia.<br><br>Regards<br><br>-- <br>Jtico