Social Locker v4.2.0 is a WP plugin that locks your most valuable site content behind a set of social buttons until the visitor likes, shares, +1s or tweets your page. It helps to improve social performance of your website, get more likes/shares, build quality followers and attract more traffic from social networks. v.4.2.0 – 7 Jul 2015 NEW: Pass Code. This feature allows to hide lockers if the pass code is specified in the URL. NEW: Added an option to hide the License Manager. UPDATED: Fixed the guide about getting the LinkedIn Client ID.