I'm afraid I'll have to ask you to post in English on this site, since the community part is purely English at the moment. Alternatively you can ask your question on the French eZ Publish site: http://ezpublish-france.fr/
I believe Philippe is asking whether this situation is possible:
-Each user gets a blog such as philippe.ezsite.com -Whenever each user makes a blog post, it is posted to their user subdomain, as well as an aggregate blog at www.ezsite.com
The short answer is yes, either through RSS feeds as planetezpublish.org is done, or by running multiple eZ Publish siteaccesses off the same eZ Publish installation :D
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