Buzz·Posted on Oct 18, 201330 Mildly Humorous SignsIt's Friday. Look at some signs made by human beings.by copyranterBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. 2. 3. 4. Free (illiterate) speech via Preston, Missouri. 5. Via a Swedish university. 6. In a bathroom at the same Swedish University. 7. 8. 9. 10. Looks like a game of challenge. 11. 12. Via some hotel. 13. 14. 15. 16. 17. 18. 19. Canada. 20. Also via Canada. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. College STD poster.