Provided are methods and systems related to communications between a social media service or provider (e.g., Twitter®, Facebook®) or other resource (e.g., web page) and one or more content providers. In an aspect, provided are methods, comprising receiving user information and a user agnostic identifier, providing an access element configured to provide access to content from a content provider based on the user information and the user agnostic identifier, receiving, from the content provider, a notification indicative of a user interaction with the content based on a user accessing the content, and tracking user behavior based on at least one of the user information, the user agnostic identifier, the access element, and the notification.