Most mentions

These are the people who are spoken to or mentioned the most in other people's tweets.

1. ashton kutcher (aplusk)

2. Britney Spears (britneyspears)

3. Ellen DeGeneres (theellenshow)

4. Barack Obama (barackobama)

5. Oprah Winfrey (oprah winfrey)

6. Oprah Winfrey (oprah)

7. Kim Kardashian (kimkardashian)

8. John Mayer (johncmayer)

9. Lady Gaga (ladygaga)

10. Twitter (twitter exalta samba)

11. Twitter (twitter)

12. Twitter (twitter hashtag)

13. Twitter (twitter piva)

14. Ryan Seacrest (ryanseacrest)

15. CNN Breaking News (cnnbrk)

16. THE_REAL_SHAQ (the_real_shaq)

17. Ashley Tisdale (ashleytisdale)

18. taylorswift13 (taylorswift13)

19. Demi Moore (mrskutcher)

20. Coldplay (coldplay)