This public page user:marble.txt, as stated by it's name, can be read by anyone but only you can edit it (or a superuser)…

• You can introduce yourself, add links to your contributions in this wiki, tell a story or present your other works
• Think about netiquette

Limitations:

• You shouldn't create any other page in that namespace user:marble
• Only a superuser can add a picture

Feel free to remove this paragraph (beside the title)…
Now, write something!