They do some of this. For example, the silver Necromancer badge is awarded when you "Answered a question more than 60 days later with score of 5 or more" http:

They do some of this. For example, the silver Necromancer badge is awarded when you "Answered a question more than 60 days later with score of 5 or more" http://stackoverflow.com/badges http://stackoverflow.com/badges