Next month, hitting the “Like” or “Share” button on Facebook will do more than signal approval. Facebook’s algorithms will begin to share data on peoples’ browsing history into its ad targeting systems, which means that, depending on what a user “Likes” or “Shares,” he or she can be served related ads on Facebook, photo-sharing service Instagram or any mobile app that uses Facebook’s ad network. Facebook’s “Like” button, which adds a bit of code to the page, was first offered to publishers in 2010. Continue reading Facebook to Track ‘Like’ and ‘Share’ Buttons for Ad Targeting