Face book suggests Friends for users based on their Geographic location
IP address
Mutual friendships
Interests

Please put a space between face and book or it will not let u post and delete answers

Mutual friendships and interests

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability

Don't say anything that will offend her, make her feel better and talk about happ things.