Details Magazine's Power 50 List.

Details Magazine's Power 50 list:

1. Zac Efron, Shia LaBeouf, and the Disney Kids. Ages: 15 to 27
2. The Surge - Average Age: 27
3. Mark Zuckerberg - Founder, Facebook. Age: 23
4. The Bible Beaters - Age: Born Again Yesterday
5. The School Shooters - Eric Harris and Dylan Klebold. Ages: 18 and 17
6. The Subprime Sucker - Mortgage Defaulter. Age: 34
7. The Good Fathers - Kevin Federline and Larry Birkhead. Ages: 29 and 34
8. Muqtada al-Sadr - Shiite Cleric. Age: 34
9. The Other F-word - Age: Forever young
10. Howard Wolfson - Political Consultant for Hillary Clinton. Age: 40 (Last Year's Rank: 47)
11. Erik Prince - Founder and CEO, Blackwater Worldwide. Age: 38
12. Google - Sergey Brin and Larry Page, Founders. Ages: Both 34 (Last Year's Rank: 11)
13. YouTube - Steve Chen and Chad Hurley, Founders. Ages: 28 and 30 (Last Year's Rank: 2)
14. YouPorn - Stephen Paul Jones, Creator. Age: 27
15. The Green Guilt-Tripper. Age: Thirtysomething
16. The Spiritual Leader - Joel Osteen, Pastor, Lakewood Church. Age: 44
17. Kevin Martin - Chairman, Federal Communications Commission. Age: 40
18. Rascal Flatts - Gary LeVox, Joe Don Rooney, Jay DeMarcus. Ages: 37, 32, 36
19. The Politician's Son - Andrew Giuliani. Age: 21.
Craig, Ben, Josh, Matt, Tagg Romney. Ages: 26, 29, 32, 36, 37
20. Ryan Seacrest - Age: 33 (Last Year's Rank: 33)
21. Bashar al-Assad - President of Syria. Age: 42 (Last Year's Rank: 25)
22. Jonathan Ive - Senior VP of Industrial Design, Apple. Age: 40 (Last Year's Rank: 30)
23. Mario Lavandeira - Blogger and Proprietor, PerezHilton.com. Age: 29 (Last Year's Rank: 5)
24. Andrew Bieniawski - Office of Global Threat Reduction, National Nuclear Security Administration. Age: 40
25. Michael Levine and Howard Nuchow - Co-heads, CAA Sports. Ages: 36 and 37
26. David Plouffe - Campaign Manager, Obama 2008. Age: 43
27. Xavier Von Erck - Founder, Perverted Justice. Age: 28
28. David Cutler - Professor of Economics, Harvard University. Age: 42
29. Iggy (Ellen DeGeneres dog) - Adoptee. Age: 6 months (3.5 in dog years)
30. The Boys Behind Girly TV - Josh Schwartz, Executive Producer, Gossip Girl. Age: 31. Tony DiSanto, Executive Producer, The Hills. Age: 39
31. Ben Silverman -Cochairman, NBC Entertainment and NBC Universal. Age: 37
32. Revenge Nerds - Judd Apatow (Last Year's Rank: 16), Writer, Director, Producer and Seth Rogen, Actor, Writer, Producer. Ages: 39 and 25
33. The Cheaters - Barry Bonds. Age: 43. Tim Donaghy. Age: 40. Michael Rasmussen; Age: 33
34. Bobby Jindal - Governor-Elect, Louisiana. Age: 36
35. The Vocal Vets - Average Age: 25 - Iraq War soldiers
36. The Exonerated - Reade Seligmann, David Evans, and Colin Finnerty, Duke Lacrosse Players; Ages: 21, 22, 21
37. The Career-Doctors - Justin Timberlake, Mark Ronson, and Timbaland (Last Year's Rank: 29). Ages: 26, 32, 36
38. The Bodyguard - Average Age: Thirtysomething
39. Antoine Arnault - Communications Director, Louis Vuitton. Age: 30
40. Steven Rubenstein - President, Rubenstein Communications. Age: 38
41. Harry Potter - Wizard. Age: 17.
42. Mr. Contagious - Andrew Speaker, Tuberculosis Carrier. Age: 32
43. The Gameboy - Jason Jones, Cofounder of Bungie Studios, Creator of the 'Halo' franchise. Age: 35
44. Shawn Carter a.k.a. Jay-Z - President and CEO, Def Jam Recordings. Age: 38 (Last Year's Rank: 20)
45. The Well-Dressed Man. Age: In his prime
46. Ira Ehrenpreis - General partner, Technology Partners. Age: 38
47. Michael Rapino - CEO, Live Nation. Age: 41
48. Markos Moulitsas Zuniga - Founder, Daily Kos. Age: 36 (Last Year's Rank: 43)
49. Mr. Rebound - Kelly Slater. Age: 35
50. Tyler Perry - Playwright, actor, director, author, producer. Age: 38