It's the end of the year and I believe it's a good time to remember what was done during the year and thank the people who help make IPS such a great place.
So please, use the answers below to thank every person you believe did something great for this community during this year.
Here are a few (non-exhaustive) examples:
Someone posted a great question/answer
Someone asked a very important meta question
Someone posted a very well explained meta answer
Someone made a great edit
Someone was very helpful in the way they commented
Etc..
Note: I am planning to post such an answer myself, but I don't have the time right now. But don't worry, I have a lots of thanks in here for you :)
In any way, happy end of the year for all of you!