So far, sources to my relationship survey ranked average score of how poly they are (on 0-5 spectrum)
7. facebook, 0.7
6. reddit, 0.7
5. other, 0.8
4. twitter, 0.9
3. telegram, 1.2
2. discord, 1.3
1. fetlife, 2.6
correlation of polyness and age is 0.08, but this might be confounded due to the fact fetlife is both significantly older and also significantly more polyamorous