CORRECTING and REPLACING “Daring Fireball” Publisher John Gruber and Multimedia Expert David Biedny to Present at Macworld 2010

FRAMINGHAM, Mass.--(BUSINESS WIRE)--Please replace the release with the following corrected version due to multiple revisions.

“Their participation in Macworld 2010, along with the addition of key exhibitor Microsoft, illuminates our value proposition that Macworld is the most important gathering on the planet for the Mac community each year.”

The corrected release reads:

“DARING FIREBALL” PUBLISHER JOHN GRUBER AND MULTIMEDIA EXPERT DAVID BIEDNY TO PRESENT AT MACWORLD 2010

Microsoft joins growing list of exhibitors at Macworld 2010

Macworld 2010 will feature presentations by John Gruber, writer and publisher of “Daring Fireball”, one of the most respected commentaries on the Apple marketplace, and David Biedny, a digital effects, graphics and multimedia expert, IDG World Expo, owner of Macworld 2010, announced today. Gruber and Biedny join a stellar line up of feature presenters, which currently includes film maker Kevin Smith, New York Times’ columnist David Pogue, and This WEEK in TECH’s Leo Laporte. IDG World Expo also announced today that Microsoft will join a growing list of key industry exhibitors including HP, Other World Computing, Livescribe, Xerox, Shure, Boinx and Rogue Amoeba.

“Trusted industry visionaries John and David epitomize the savvy of the ever-growing community of Apple product users and developers,” said Paul Kent, Macworld general manager and vice president at IDG World Expo. “Their participation in Macworld 2010, along with the addition of key exhibitor Microsoft, illuminates our value proposition that Macworld is the most important gathering on the planet for the Mac community each year.”

John Gruber, who writes and publishes “Daring Fireball”, a popular weblog ostensibly focused on Mac, and co-hosts The Talk Show podcast with Dan Benjamin, will take center stage for “The Gruber 10: Apple's Top Issues” on Friday, February 12, 2010, from 4:30 pm – 5:30 pm PT. Gruber comes to Macworld to share his list of top issues shaping our world. His views on usability, competitive factors, areas of innovation and market fairness will offer invaluable insights to users and developers alike.

Recognized worldwide as an expert on digital effects, graphics and multimedia, David Biedny comes to Macworld 2010 to host “The Photoshop 20th Anniversary Celebration” on Thursday, February 11, 2010, from 4:30 pm – 5:30 pm PT. For the last 20 years, Photoshop has defined the state-of-the-art of digital imaging, spawning an entire media discipline and achieving the status of verb in the popular lexicon. Biedny will host a special panel presentation featuring Adobe executives: Jerry Harris, co-author of PixelPaint and primary architect of brushing engine in Photoshop 7; Kevin Connor, Vice President Product Management, Adobe’s Professional Digital Imaging Products; and Russell Brown, senior creative director, Adobe Systems. The panel will focus on the past, present and future of this graphics phenomenon with demonstrations of Photoshop 1.0 and insight into the next version of Photoshop.

Additional presentations, speakers and conference content will continue to be announced over the coming weeks. Please visit www.macworldexpo.com for more information about the event.

To register for Macworld 2010, please visit https://register.rcsreg.com/regos-1.0/macsf2010/ga/index2.html. For more details on the event and conference content, please visit http://www.macworldexpo.com/home. To exhibit, please contact Ron Moreau, rmoreau@idgworldexpo.com.

Macworld 2010 is now fully interactive on a variety of social networking tools where you can stay current on all event happenings and news. Connect with us on the Macworld Community site at http://macworldexpo.ning.com, on Facebook at http://www.facebook.com/pages/MACWORLD/58481436623?reff, or follow us on Twitter at https://twitter.com/MacworldExpo.

About Macworld 2010

Macworld 2010 is a five-day event that educates, entertains and immerses attendees in the Apple products community. A comprehensive expo hall offers access to hundreds of Mac products and services, paired with expert advice, demonstrations and instruction. Macworld 2010 conference programs feature industry leading minds, presenting cutting edge product training on the topics attendees most want to see. From Mac Power Users to creative professionals to first-time users to Enterprise computing professionals, Macworld 2010 has the conference content, special presentations and exhibit hall attractions that create what has been called “Mecca for Mac Users”.

About IDG World Expo

IDG World Expo (www.idgworldexpo.com) is a leading producer of tradeshows and events for professionals and consumers seeking world-class education, strategic business relationships, and access to industry-leading products and services. IDG World Expo's portfolio of conferences and events includes Macworld®, Electronic Entertainment Expo® (E3 Expo®), Next Generation Data Center™ (NGDC™), OpenSource World™ and CloudWorld™. IDG World Expo is a business unit of IDG, the world's leading technology media, research and event company.