This is gentle reminder that the submission deadline of the Cyberworlds 2007 International Conference and both workshops ends at May 25. http://www.gdv.uni-hannover.de/hcw07 If you plan to submit a paper and have not registered yet, please use our online registration system so that we can stay in contact with you: http://www.gdv.uni-hannover.de/hcw07/register Best Regards; Franz-Erich Wolter Conference and Program Co-Chair of CW 2007