Twitter’s stock jumps 17% on strong 4th-quarter user growth. Bill Barker analyzes the results and shares why Twitter’s ability to monetize user growth will be key in 2020. Plus, we discuss Peloton’s 3rd-quarter loss and an actual letter about Kellogg’s that we got in the mail! (Tangents include Summer Olympic-themed programming, Peloton’s TV commercial, and artisan pop-tarts.)   For a free copy of our 15-page Investing Starter Kit just click over to www.fool.com/StarterKit and we’ll email it to you.