A CALENDAR ITEM IN LAST WEEK'S TECH THURSDAY PAGES LISTED A FAIRFAX COUNTY CHAMBER OF COMMERCE EVENT SCHEDULED FOR TOMORROW THAT WAS TO HAVE FEATURED MARC ANDREESSEN, CHIEF TECHNOLOGY OFFICER OF AMERICA ONLINE INC. THE PROGRAM HAS SINCE BEEN POSTPONED INDEFINITELY. (PUBLISHED 08/25/99)

Tuesday--"Getting the Facts About DSL." DSL (digital subscriber line) services use existing copper telephone wiring to deliver Internet connection speeds comparable to T1 services at a fraction of the cost. This seminar will cover services provided by ToadNet and Covad.

7:30 a.m., continental breakfast; 8 to 10 a.m., main presentation. Sheraton Columbia Hotel, 10207 Wincopin Circle, Columbia. Sponsor: ToadNet Inc. Cost: No charge. Contact: Lisa Colaianne, 410-544-6193, lisa@toad.net. Event URL: www2.toad.net.

Tuesday--"Network Systems Solutions." Hear from agencies that are leading the adoption of network systems solutions in the government market. Find out how to provide better solutions to the government. Speakers to include David Lantzy, deputy director for telecommunications, Federal Aviation Administration, and Bob Deller, president, Markess International.

7:45 to 10 a.m., Fairview Park Marriott, 3111 Fairview Park Dr., Falls Church. Sponsor: Washington Technology. Cost: $60. Event hot line: 703-848-2800, Ext. 401. Event URL: www.wtonline.com/events.

Wednesday--"Marketing Your Service Business Online." Learn how to develop a marketing strategy for the online world, (including the Web, e-mail and online communities) to complement your off-line efforts. Service industry businesses will be looked at in detail.

9:30 a.m. to 12:30 p.m., Women's Business Center, 1001 Connecticut Ave. NW, Suite 312. Sponsor: Women's Business Center. Cost: No charge. Contact: Rosemary Barton, 202-785-4922, info@womensbusinesscenter.org. Event URL: www.womensbusinesscenter.org/ internetmkt.html.

Next Thursday--"The Digital Economy of Today and Tomorrow." Marc Andreessen, chief technology officer, America Online Inc., kicks off the Fairfax County Chamber's new IT series that will focus on the "Future of the Digital Economy." Andreessen will focus on the major trends that are driving the growth of this new medium and offer a broad look at where the technology and the industry may be heading.

7:30 to 9:30 a.m., Fairview Park Marriott, 3111 Fairview Park Dr., Falls Church. Sponsors: Fairfax County Chamber of Commerce, Rees Broome & Diaz, and America Online. Cost: $35 members, $50 nonmembers. Contact: Grace Cular Yee, 703-749-0400, GYee@fccc.org. Event URL: www.fccc.org/events2.htm#ITSeries.