Useful Vocabulary for Social Media (Facebook, Instagram, & Twitter) If you're ever on social media, then these are some important words that you will likely use. This vocabulary is perfect for anyone who uses Facebook, Instagram, or Twitter. And these words are great for building your vocabulary and improving your English comprehension. In case you'd like to review, here are the words from the lesson. 1) engagement 2) meme 3) follower 4) to unfollow 5) feed 6) hashtag 7) phishing 8) cyberbully 9