Knowyourhangover is a website and social media campaign that provides information about hangovers on Twitter, Facebook, and their website knowyourhangover.org. They encourage followers on Twitter to follow @knowyouhangover and fans on Facebook to like @KNOWYOURHANGOVER.

1. #KNOWYOURHANGOVER
Follow us on Twitter
@knowyouhangover
Like us on Facebook
@KNOWYOURHANGOVER
And visit our website: knowyourhangover.org