This meta is considered of unknown usefulness and may be a candidate for deletion. The user who left this tag provided the following reason:
Nothing of significance left here now that help pages and such are at MediaWiki.
If you want to revive discussion regarding the subject, you may try using the talk page or start a discussion at Meta:Babel.
A demonstration page or demo is a page created with the intent of practically demonstrating a given process, idea, or software function. While these pages may seem ostensibly useless, they have purposes and should likely not be altered or deleted.