What is The Blue Number On The Top Righthand Corner Of What if your Friends Profile Pictures On What if your Timeline?

The blue number on the top right-hand corner of a friend's profile picture on "What If" typically indicates the number of notifications or interactions related to that friend, such as likes, comments, or messages. It serves as a quick reference for users to see how active their connections are on the platform. This feature helps users stay engaged with their friends' activities and updates.