In order to enable the rapid deployment of the Virtual Customer methods we are providing demonstration code for free download. Our goal is to make these methods available as widely as possible. Thus, you may distribute this code and you may use it with other computer programs under the terms of the GNU Lesser General Public License. It may also be linked with or distributed with both free and proprietary interviewing software as detailed in the GNU Lesser General Public License. These codes may also be used for classroom demonstrations. Specifically: Virtual Customer Code (methods for web-based preference measurement) Copyright © 2001, Massachusetts Institute of Technology.

These codes are free software; you can redistribute then and/or modify them under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the license, or (at your option) any later version.

These codes are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should receive a copy of the GNU Lesser General Public License along with these codes; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307. USA. This license is also available at http://mitsloan.mit.edu/vc or CIPD (Building E60), MIT, Cambridge, MA 02142.

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