FunnelConnect (short FC) JavaScript library grants a multitude of functionalities from identify resolution, creating a marketing identity and profile, customer identity through login and other forms of customer authentication (and identification), analytics data collection, profile data access and proxy inlining, to id matching with external systems like Google Floodlight and Facebook, by declaring a single JavaScript snippet or HTML <script> tag, explained here.
It comes with out-of-the-box handlers and API methods to access user-level profile data.