CodeCanyon - Exit Through Facebook Like v1.4 - WordPress Plugin
Exit Through Facebook Like is a WordPress plugin that raises popup box once user clicked any outgoing links on you website. Popup box suggests user either to Like your webpage on Facebook for immediate redirection to target webpage or to wait some time to be redirected. Delay period, content and popup box parameters are configured through settings page. Settings page also has an option to exclude some outgoing links from consideration.