A completely blank profile is a waste of time for everyone. To have an account on Grindr, some basic information should be required. I understand privacy, but putting basic info like age is not going to identify someone.

1. Display name should be required to help separate the different chats. I have numerous chats with no display name, so it’s hard keeping track which one is which.
2. Age should be required. As a 43 year old, I have no desire to meet people under a certain age or over a certain age. Search by age is almost pointless as so many people leave it blank. Letting someone know your age is a common courtesy.
   
3. Position should be required. There are endless profiles (mostly blank), so I like to search for people by position I am interested in. The position search is pointless if no one fills it out. I don’t want to waste my time trying to hook up with someone to find out they are not a position I want to meet.
4. Looking for should be required. Why waste mine and their time if I am not what they are looking for. I would rather spend my time looking for someone interested in my position.
   
5. In the about me section, make it required to at least x amount of words, such as 25.

If the point of Grindr is to meet someone, knowing some basic information will help find that person. If someone is afraid to put any details at all, such as age, they probably do not belong on the app.