Needs to do the following:
1. users must be able to enter user metrics (weight, measurements, calories, etc.)
2. website must be able to manipulate (using simple math) these metrics and then display it
3. Content management system
4. User Registration/Management/payments
5. 'Instagram' similar features
6. RESTful API for mobile app counterpart to do above functions
There are more features which are needed but that can be discussed after a signed NDA.