input: [Cookie] AddThis.com [Cookie name(s)] various [Description] AddThis set a number of cookies when you visit any page that includes their social media sharing buttons, and also allow their partners to set cookies. These provide analytics information and allow them to provide online advertising targeting. For further information see http://www.addthis.com/privacy/privacy-policy#publisher-visitors. You can choose to opt out of providing information for online advertising targeting. [When does it expire?] 
output: Variable