One of his tips it to focus on Facebook engagement. Engagement on your page has a direct correlation to how well your Facebook ads will do. Also, as commonly understood, if your Facebook ads look more like native content then there will most likely be more engagement. Facebook quizzes are another ad form Angel prefers.
Some other tools Angel recommends include exploring Instagram stories, Facebook video ads (concentrating on optimizing the video format), and also exploring the conversational potential of chatbots.