1. Wait But Why

waitbutwhy.com

2. Bored Panda

boredpanda.com

3. Brain Pickings

brainpickings.org

4. A Soft Murmur

asoftmurmur.com

5. Akinator

akinator.com

6. BuzzFeed

buzzfeed.com

7. Laughing Squid

laughingsquid.com

8. xkcd

xkcd.com

9. Sporcle

sporcle.com

10. Giphy

giphy.com

11. The Oatmeal

theoatmeal.com

12. The Toast

the-toast.net

13. Film

Wikipedia

14. Reddit

reddit.com

15. Big Think

bigthink.com

16. PostSecret

postsecret.com

17. CollegeHumor

collegehumor.com

18. Cyanide & Happiness

Wikipedia

19. Truthdig

truthdig.com

20. wikiHow

wikihow.com