Microsoft Corporation on Thursday released its Word 98 Special Edition, a new version of its word processing software specially designed for Macintosh iMac and iBook users. Word 98 Special Edition, which retails for only $100, includes the complete version of Word 98, thousands of new clip-art images, 100 new greeting card templates, Internet Explorer 4.5, and Outlook Express 4.5. The entire suite of products is literally installed by simply dragging an icon off of the CDROM onto the Macintosh desktop