October 4-6: Fifth Hong Kong Web Symposium (Hong Kong Web Symposium Consortium), University of Hong Kong. Tel: 2857-8333. October 5: Directions '99 (IDC Asia-Pacific), Hong Kong Convention and Exhibition Centre. Tel: 2905-4263. October 6: Customer Relationship Management System (Unisys HK). Hong Kong Convention and Exhibition Centre. Tel: 2879-3800 October 6-10: ComNet Shenzhen '99 (IDG World Expo, Ministry of Foreign Trade), Shenzhen Futian International Exhibition Centre. Tel (852) 2527 9338. October 11-12: Digital Certificates Asia conference on Public Key Infrastructure and Technologies in the Region (ICM Conferences), Mandarin Oriental Hong Kong. Tel: 2869-6728 October 20-22: ISP: Internet Service Provision Asia '99 (First Conferences), Hong Kong Convention and Exhibition Centre. Tel: (65) 782-3506 October 26-28: Infosecurity China 1999 (Reed Exhibitions), Beijing Exhibition Centre. Tel: (852) 2965 1620. October 27-29: Microsoft Asia Fusion 99 (Microsoft), Hong Kong Exhibition and Convention Centre. Tel: 2521-0611. October 27-29: Second Annual Efficient Consumer Response (ECR) Asia Conference and Supply Chain Management Summit '99 (HK Article Numbering Association), Convention and Exhibition Centre. Tel: (852) 2863-9722. October 27-30: ETC Environmental Technology (Adsale), Shanghai Exhibition Centre. Tel: (852) 2811-8897. Web: www.adsaleexh.com November 3-5: Internet World Asia (Reed Exhibition Companies), Convention and Exhibition Centre. Tel: 2965-1678. Web: www.iw-hk.com November 9-13: PT/Wireless Comm Beijing (Adsale). Tel: (852) 2811-8897. Web: www.adsaleexh.com December 1-3: Cable & Satellite Broadcasting Association Convention (AiC), Hong Kong Convention and Exhibition Centre. Web: www.casbaa.org December 14: Forum: Satellite Communications (Telecoms Infotech), Hong Kong Convention and Exhibition Centre. Tel: 2541 2776. December 17-19: IT in Education '99 Exhibition and Conference (Meeting Planners (HK) Ltd), Hong Kong Convention & Exhibition Centre. Tel: 2509-3430. To submit an event for inclusion in this column, send details to: What's On, Technology Post, 28/F Dorset House, 979 King's Road, Quarry Bay, Hong Kong. Or fax to (852) 2565 1624.