Instagram allows users to share photos with friends who can like and comment on them. Users can follow friends and accounts they enjoy. Instagram has a huge user base. Snapchat focuses on sharing ephemeral photos and videos, or "Snaps", between users that expire after a set time period of 1-10 seconds. Snapchat is one of the most popular social media platforms in the United States. YouTube functions similarly to television with user-generated channels on various topics that people can subscribe to. Many people now make a living from YouTube through advertisements and views on their channels. YouTube is a great platform to find videos on different subjects.