I've found it to work great in cities that have reached a critical mass of users, e.g. in Taipei & Kuala Lumpur I often found diverse gender balanced groups mee

I've found it to work great in cities that have reached a critical mass of users, e.g. in Taipei & Kuala Lumpur I often found diverse gender balanced groups meeting. In smaller cities it was 95% dudes looking for a hookup.