To solve this problem one needs to be able get users location anonymously and apply machine learning to figure out future density at a given location. Unfortuna

To solve this problem one needs to be able get users location anonymously and apply machine learning to figure out future density at a given location. Unfortunately we have the technology but cannot utilize it to its fullest, based on the fear of privacy. True that the app comes back with zero results for your city but it might be useful when visiting a foreign city like New York, San Francisco, etc. where there is more user activity related to virtually checking in.