FOR IMMEDIATE RELEASE

MACTECH CENTRAL RETURNS TO MACWORLD CONFERENCE & EXPO AT NEW YORK, JULY
2001

NEW YORK, NEW YORK -- July 16, 2001 -- MacTech Magazine and Macworld
Conference & Expo are pleased to announce the return of MacTech
Central(sm). MacTech Central is the technical special interest pavilion at
Macworld Conference & Expo/New York. It's the premiere place for all
technical products including programming and development, web development,
and other related products. MacTech Central, at Macworld Expo/New York/July
18-20, is where people can see all the industry's leading vendors and
latest innovations.

At this Macworld, you'll easily find our specialty pavilion, simply look
for the signage above the show floor to help direct you to MacTech Central.
Also, there is an information area hosted by MacTech Magazine, and the
Depot selling area to get the best deals on products at the show.

We're also very pleased to introduce a """"""""Job Fair"""""""" as the premiere place for
all recruiters and potential employers. Featured here, MacTechJobs.com
will be making its debut. With over 100 leading employers in the Macintosh
field posting jobs, Job Seekers are finding that this is the best place to
search for Macintosh related jobs. Employers find an abundance of highly
skilled Macintosh Professionals ... allowing them to find qualified
candidates quickly. Both job seekers and employers should come and talk to
the folks from MacTechJobs.com, and other leading career service providers
like Scientific Placement.

""""""""This pavilion is is the focal point at Macworld Conference & Expo for the
technical attendees seeking out exhibitors with developer and technical
information,"""""""" said Neil Ticktin, CEO, Xplain Corporation which manages the
pavilion. """"""""With a mission focused on serving the developer/technical
communities, this pavilion has vendors of all types and sizes showing off
the best the Mac has to offer.""""""""

""""""""Attendees are able to test the increasing number of hot, new tools and
applications and to meet the experts and developers behind those
technologies,"""""""" said Rob Scheschareg, Vice President, Events for IDG World
Expo, the Macworld Conference & Expo show producers. """"""""We are excited about
this technical special interest area - MacTech Central - it's the ever
successful and longest-running Macworld Conference & Expo special interest
area for developers.""""""""

""""""""DevDepot is proud to be a sponsor of the MacTech Central pavilion at
Macworld Expo -- this specialty area is a comprehensive location for the
developer community,"""""""" said Nick DeMello, Marketing Manager of DevDepot. """"""""If
you're just beginning as a programmer, developing web content, managing
networks, or have been a part of the technical community for years, you'll
have the opportunity to meet the experts face-to-face, explore the cutting
edge of technology and will learn about new products for the Mac
worldwide."""""""" As always, DevDepot's full size truck will be there with all
of the greatest deals and wares in the industry.

For all the MacTech Central turnkey station package details throughout the
year; send Mailto:reservations@mactech.com.

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About MacTech Magazine

Established in 1984 as a forum for programmers and developers, MacTech
Magazine has evolved into a premier news and information vehicle targeted
at tens of thousands of developers in over sixty countries. In addition to
the new web, networking and content coverage, MacTech continues to include
several regular columns, industry news, conference reports, product
reviews, a broad range of languages and environments, the latest in
shortcuts and insider secrets, advertisements specifically for Macintosh
techies, and full source code listings available on the World Wide Web,
floppy disk, and CD-ROM.

About Xplain Corporation

Xplain Corporation has three divisions -- publishing, mail order and custom
services. The publishing division includes MacTech(r) Magazine
http://www.mactech.com/, and THINK Reference(tm). The mail order division
operates DevDepot(sm) http://www.devdepot.com/, Depot Store(sm), and the
Depot(sm). Custom services provides custom publishing and trade show
services including such projects as MacTech Central(sm) and fulfillment
services. Founded in 1984, the company has its offices in Westlake Village,
California.

About Macworld Conference & Expo

Macworld Conference & Expo is the world's most comprehensive Macintosh OS
event. Macworld Conference & Expo is the showcase for products and services
geared to professionals involved in media and creative content development
for corporate and home applications, and consumers using the Mac at home.
Macworld Conference & Expo brings together the loyal base of Mac OS
audiences in creative services, education, application development,
entertainment, small office/home office and Internet-based environments.
Macworld Conference & Expo offers professionals and consumers alike the
opportunity to discover the latest developments and hottest products these
markets offer. Multiple conference programs cover beginning and advanced
uses of the Mac. Macworld/Pro Conference sessions offer a
technology-intensive professional development series for Macintosh design,
management and networking professionals. The Users Conference program
covers beginning and advanced uses and techniques in areas such as
Internet, design, integration with NT systems, education, content asset
management, entertainment, and more. Macworld Conference & Expo is
sponsored by Mac Publishing, LLC, a joint venture between International
Data Group and Ziff Davis, and publishers of Macworld Magazine,
MacWorld.com, MacBuy.com, iMacworld.com, MacCentral, MacWEEK.com, and
MacGaming.com.

About IDG World Expo

IDG World Expo (www.idgworldexpo.com) produces world-class trade shows,
conferences, and events for emerging IT markets around the globe. As the
leading IT event management company, IDG World Expo leverages its
unsurpassed experience and knowledge of IT-focused events and conferences,
enabling technology companies to capture the attention and loyalty of
influential buyers. IDG World Expo's portfolio of conferences and events
includes ASPWorld Conference & Expo, ComNet, Internet Commerce Expo (ICe),
LinuxWorld Conference & Expo, Macworld Conference & Expo, and Windows 2000
Conference & Expo. IDG World Expo is a subsidiary of International Data
Group (IDG), the leading global provider of IT media, research,
conferences, and expositions.

IDG World Expo is a business unit of IDG, the world's leading IT media,
research and exposition company. IDG publishes more than 300 magazines and
newspapers and 4,000 book titles and offers online users the largest
network of technology specific sites around the world through IDG.net
(http://www.idg.net), which comprises more than 270 targeted Web sites in
70 countries. IDG is also a leading producer of 168 computer-related
expositions worldwide, and provides IT market analysis through 50 offices
in 43 countries worldwide. Company information is available at
http://www.idg.com.