The graph shows information about the UK's most popular social media in 2019. Which was the second most popular messaging platform in the UK in 2019?

1. Identify the "Messaging" platforms using the key. They are the ones with the darker grey bars (FB Messenger, WhatsApp, Snapchat, Skype). 2. Look at the percentages for these messaging platforms: FB Messenger (60%), WhatsApp (58%), Snapchat (27%), Skype (22%). 3. The most popular is FB Messenger (60%). 4. The second most popular is WhatsApp (58%).