AT&T Co, EO Inc and Go Corp are ready to offer an electronic mail service for the wireless personal communicators they have jointly created: to be known as MHS Link for Go Mail, the service enables users of the AT&T EO personal communicator to access a variety of corporate electronic mail systems and networks; mobile computer users can send handwritten notes, text documents or speech annotation over wireless eletronic networks; the system costs $150 and puts personal communicator users in reach of over 2.5m electonic mail users and 150 electronic messaging products developed by Lotus Development Corp, Novell Corp and Microsoft Corp.