2. Whose face was the first face on Facebook? (The first Facebook face logo)
3. Why is Facebook primarily blue?
4. Approximately how many hacking attempts are made to Facebook accounts daily?
5. Facebook is blocked in China.
6. Which similar social networking site sued Facebook for allegedly stealing source code?
7. When did Facebook extend its network beyond educational institutions?
8. Which major software company bought a stake in Facebook in 2007?
9. From a 2013 study, what was found to be the biggest cause of Facebook account deactivation?
10. What was the original name for the Facebook "Like" button?
11. When was Facebook chat launched?
12. What programming languages is Facebook written in?
13. Peter Thiel, co-founder of PayPal, was the first major investor to back Facebook.
16. Videos are the most-shared content type on Facebook.
18. Posting just once or twice per day on Facebook yields an average of 40% more engagement than posting three or more times per day.
19. Where are Facebook's main offices located?
20. What revenue source does NOT make Facebook money?