Activity: Crossword Complete the crossword by filling in the word that fits in the given clue below. Enjoy playing! 12 Across: 1. Portable document format 3. Connects computer system around the world 5. Marketing 8. To entertain and inform 9. Mark Zuckerberg 13. Communication outlets which delivers information. 14. Interacts messages known as tweets. Down: 2. Ability to get an answer really fast 4. Social act 6. Huge screen with information & entertainment. 7. Unbiased. 10. A publication produced daily or weekly 11. Video blog 12. Electronic version of printed books.​