Facebook's Top 10 Programming Languages Unveiled

1. Python - For web development and more.

2. Erlang is used for scalable real-time systems with built-in support for concurrency and fault tolerance.

3. C++ offers easy access to open-source code for various applications.

4. PHP is integrated with multiple databases for dynamic content management.

5. Java supports primitive data types and is used in various applications.

6. Hack reconciles fast development with type checking in less than 200 milliseconds.

7. Dlang is a general-purpose language with static typing and C-like syntax.

8. Haskell is an advanced functional language with type inference and concurrency.

9. XHP enables XML syntax for creating custom HTML elements.

10. React is used to solve complex problems on Facebook with a focus on improvement.