Most popular Social Media platforms in the US01/13/2015January 13, 20151. Facebook (58% of all adults use it) | 2. LinkedIn (23%) | 3. Pinterest (22%) | 4. Instagram (21%) | 5. Twitter (19%) | Source: PewResearchhttps://p.dw.com/p/1EJPAImage: Matt Cardy/Getty ImagesAdvertisement