How to ...
How to improve your Karma ?
You can improve your karma by adding many articles, commenting to stories, participating to votes and being active as much as possible.
To whom I can write messages ?
You can write messages to everybody, but you must make the specified user your friend first.
What happen to my story ?
If you recently added a story and there is no longer available, the reason can be that it was a duplicate content. In this case your story will be automatically deleted without any warning.