[Apologies for Cross-posting] Dear Colleague, The deadline for pre-registration for the ACM 2004 Conference on Computer Supported Cooperative Work is Wednesday, October 27. Please register before this date to take advantage of the discounted conference rates. You can register at http://www.regmaster.com/cscw2004.html. The conference will be held at the Hilton Chicago in Chicago, IL between November 6-10. You can make reservations on-line at our conference hotel by visiting http://www.acm.org/cscw2004/accommodations.html. There are only a limited number of rooms at the conference rate so please make your reservations as soon as possible. We have also updated our website http://www.acm.org/cscw2004 with more detailed information about the conference. If you have any questions or comments, please do not hesitate to contact us at cscw2004-info@acm.org. We look forward to seeing you in Chicago! CSCW 2004 Co-Chairs Gary Olson and Jim Herbsleb CSCW 2004 Publicity Chair Madhu Reddy