The following video is from Friday's Investor Beat, in which host Chris Hill and Motley Fool analyst Charly Travers dissect the hardest-hitting investing stories of the day.

Social-media company Twitter has filed a confidential S-1, indicating that the company's revenue is less than $1 billion but, more importantly, signaling that the company plans to go public. In our lead story on Investor Beat, Charly discusses what he thinks of the move, why he likes the timing, and what the most important numbers to watch from here will be.