https://bumble.com/en-us/faq After two people mutually opt in to connect with each other by swiping right, they're added to each other's 'hive' of connections. Then, the following actions will depend on the user’s gender: The woman always makes the first move, and if she doesn't say something to a new connection within 24 hours, that connection disappears forever! Men can’t start a conversation with the female users but they can show special interest in a match by extending just one per day to remain in queue for an additional 24 hours Starting using it and its been a bust for me so far. You swipe left and right like Tinder but the woman has to start the contact before you can talk. No ones liked me back in a few days. Too ugly or dont make enough money Its got over a million users so its not barren.