Conversation so far:
what is a second common connection on tinder
When a user and one of their matches have two separate friends that happen to also be friends with each other, this is dubbed a ‘Tinder 2nd connection’.
what is the benefit of a second common connection on tinder
Studies have even shown that dating app users are more likely to send others a message if they have something in common. Mutual friends are particularly pertinent here.

Question: what are common connections
Self-contained rewrite: what are common connections on tinder