wella is on your activity meter. That takes into account your per day visits, posts, general activity of where you post and reps. So its a wholesome award
You guessed right about the contributor of the week award

Btw congratulations. xxx you spammer

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Safin's Signature:

The reasonable man adapts himself to the world;
the unreasonable man persists in trying to adapt the world to himself.
Therefore, all progress depends on the unreasonable man.
- George Bernard Shaw