[In 2011, the Gaming Stack Exchange hosted an event called Hat Dash], where users earned "hats" for their gravatars by completing certain tasks (analogous to badges):
![enter image description here]
Certain actions would trigger the user receiving a hat, which their gravatar could then "wear". For example, editing a post would yield an editor-themed hat (fedora with pen) to the editor.
Last year (2012–2013), Stack Exchange expanded the holiday theme to any site that wants to participate. It's running again this year.
- The Winter Bash event will run from 16 December 2013 to 3 January 2014.
- Users will be able to see their entire hat collection at http://winterbash2013.stackexchange.com. That site will also have a landing page, explaining the rules and other details of the event.
- Hats will be shown to visitors by default, but logged-in users can click an "I hate hats" button to see the normal hatless avatars.
- The only visual change to the site itself will be the presence of the hats and the "I hate hats" button in the footer.