Apple can take pride in having the most hardcore fans in the tech world. In fact, according to today’s General Sentiment report Apple topped the list for the fourth quarter, expanding its lead over rivals Google and Microsoft. Apple geeks are more passionate than the Twilight moms and Harry Potter fans put together, but who do they pay attention to on Twitter?

We partnered with PeerIndex, to come up with a list featuring the 25 most influential people tweeting about Apple. Our top 25 list is not ranked based on their overall PeerIndex score , but based on each one’s topic resonance score, which measures how their actions within the Apple community.

You can follow our list of Apple’s top 25 influentials on Twitter or get more info on the PeerIndex group we’ve created to stay on top of the latest Apple news, and of course share your favorite twitterings on all things Apple in the comments below.

Picture 51 The 25 Most Influential People Tweeting About Apple1. John Gruber

PeerIndex: 79

John Gruber writes and publishes the popular blog Daring Fireball and is also the creator of the formatting markup language Markdown.

Follow @gruber

Picture 61 The 25 Most Influential People Tweeting About Apple2. MG Siegler

PeerIndex: 76

Another blogger on number two, MG Siegler writes for Techcrunch, but you can also read his posts on his personal blog parislemon.

Follow @parislemon

Picture 71 The 25 Most Influential People Tweeting About Apple3. Lance Ulanoff

PeerIndex: 76

Editor-in-Chief of PCMag.com. In his capacity as Senior Vice President, Content, for Ziff Davis, Inc., Lance oversees content strategy for all of Ziff Davis’ Web sites.

Follow @LanceUlanoff

Picture 81 The 25 Most Influential People Tweeting About Apple4. Michael Gartenberg

PeerIndex: 71

Industry analyst at Gartner, technology columnist and speaker. Read his blog here.

Follow @gartenberg

Picture 91 The 25 Most Influential People Tweeting About Apple5. John Paczkowski

PeerIndex: 69

Deputy Managing Editor at All Things Digital. From 1999 to 2007, he was the author of Good Morning Silicon Valley for the San Jose Mercury News, Silicon Valley’s daily newspaper.

Follow @johnpaczkowski

Picture 101 The 25 Most Influential People Tweeting About Apple6. Louis Gray

PeerIndex: 71

Vice President of Marketing at My6sense, Gray is also an advisor for Qwotebook, Paladin Advisors Group, Teens in Tech and SocialToo.com. He is author and publisher at louisgray.com

Follow @louisgray

Picture 112 The 25 Most Influential People Tweeting About Apple7. Federico Viticci

PeerIndex: 48

Based in Italy, Viticci is the editor of the popular blog MacStories.net.

Follow @viticci

Picture 122 The 25 Most Influential People Tweeting About Apple8. Jason Snell

PeerIndex: 65

Editorial director at Mac Publishing, publishers of Macworld magazine and numerous tech-related web sites. He also writes about TV on TeeVee.net, about college football at Excuse Me for My Voice and for online fiction magazine InterText.

Follow @jsnell

Picture 132 The 25 Most Influential People Tweeting About Apple9. Andy Ihnatko

PeerIndex: 64

Andy Ihnatko is a technology journalist for the Chicago Sun-Times and a well known tech author.

Follow @ihnatko

Picture 142 The 25 Most Influential People Tweeting About Apple10. Jim Dalrymple

PeerIndex: 62

Editor in Chief of LoopInsight. In the past Dalrymple held several positions at Macworld over the 10 years he worked there, including his final job as Editor at Large, before leaving in May 2009.

Follow @jdalrymple

Picture 152 The 25 Most Influential People Tweeting About Apple11. Arnold Kim

PeerIndex: 57

Arnold Kim is the owner of MacRumors, a popular Apple rumors website. His other projects include TouchArcade and AppShopper. You can read his personal blog here.

Follow @arnoldkim

Picture 162 The 25 Most Influential People Tweeting About Apple12. Chris Latko

PeerIndex: 57

Latko is a self-employed IT Professional with rich experience in Web development. Read his personal blog, Dreaming Of Beetles.

Follow @clatko

Picture 172 The 25 Most Influential People Tweeting About Apple13. John Siracusa

PeerIndex: 60

Siracusa has been a Mac user since 1984 and has spent the last decade as a professional web developer and freelance technology writer. Read his articles on Ars Technica.

Follow @siracusa

Picture 182 The 25 Most Influential People Tweeting About Apple14. Adam Christianson

PeerIndex: 39

Producer and publisher of the MacCast, a podcast about all things Apple.

Follow @maccast

Picture 192 The 25 Most Influential People Tweeting About Apple15. Kontra

PeerIndex: 69

“Veteran design and management surgeon, perennially in search of complex problems to operate on”, shares musings on strategic design on CounterNotions.

Follow @counternotions

Picture 202 The 25 Most Influential People Tweeting About Apple16. Dan Frommer

PeerIndex: 71

Dan is a founding member of the Business Insider and Silicon Alley Insider editorial teams. writes about non-tech topics at FromeDome.

Follow @fromedome

Picture 212 The 25 Most Influential People Tweeting About Apple17. Charles Arthur

PeerIndex: 73

The Guardian’s Technology editor. Find his personal blog here

Follow @charlesarthur

Picture 221 The 25 Most Influential People Tweeting About Apple18. Ina Fried

PeerIndex: 69

Senior Editor at All Things Digital, covering mobile stuff, author of the Mobilized blog.

Follow @inafried

Picture 231 The 25 Most Influential People Tweeting About Apple19. Zee M Kane

PeerIndex: 70

Editor-in-Chief of The Next Web, Like him?

Follow @Zee

Picture 242 The 25 Most Influential People Tweeting About Apple20. Audrey Watters

PeerIndex: 67

Writer at ReadWriteWeb, you can find out more about her, here.

Follow @audreywatters

Picture 251 The 25 Most Influential People Tweeting About Apple21. Ian Betteridge

PeerIndex: 61

Digital content strategist/editor at Redwood Publishing, blogs on Technovia.

Follow @ianbetteridge

Picture 261 The 25 Most Influential People Tweeting About Apple22. Glenn Fleishman

PeerIndex: 63

Regular contributor to Economist.com, TidBITS Editor, read his personal blog here

Follow @glennf

Picture 272 The 25 Most Influential People Tweeting About Apple23. Kevin Rose

PeerIndex: 95

Co-Founder and CEO of Milk Inc. Previously the Founder of digg.com.

Follow @kevinrose

Picture 282 The 25 Most Influential People Tweeting About Apple24. Dan Frakes

PeerIndex: 58

Senior Editor and the “Mac Gems” columnist at Macworld, where he also covers the Mac and iOS platforms, general and mobile computing, digital media, and consumer audio.

Follow @danfrakes

Picture 292 The 25 Most Influential People Tweeting About Apple25. Marco Arment

PeerIndex: 67

Creator of Instapaper, read his personal blog here.

Follow @marcoarment

Don’t forget you can follow how the Top 25 changes over time via our PeerIndex group, you can also take a look at our previous Top 25 lists on Augmented Reality and Cloud Computing.