Cool idea for Profile picture

So the idea is as follows : simple program that generates a knowledge graph bases on the users behavior and activity on this forum( using visjs or something ((neo4j default could also work))) and sets that image to the users profile picture. The more you help out and are active the more populated you profile picture becomes. Group will have the image of that groups questions and answers.

Think it will be cool, hop that makes sense. I am willing to help with this.