Facebook: nascondi sponsorizzati e suggeriti

(function () {
  var TERMS = ['Sponsored', 'Suggested for you', 'Sponsorowane', 'Propozycja dla Ciebie'];
  function clean(root) {
    var posts = (root || document).querySelectorAll('div[role="feed"] > div');
    posts.forEach(function (post) {
      var text = post.innerText || '';
      for (var i = 0; i < TERMS.length; i++) {
        if (text.indexOf(TERMS[i]) !== -1 && text.length < 4000) {
          post.style.display = 'none';
          return;
        }
      }
    });
  }
  clean(document);
  var obs = new MutationObserver(function (muts) {
    muts.forEach(function (m) { clean(m.target); });
  });
  obs.observe(document.body, { childList: true, subtree: true });
})();