BBC News
Last Updated: Thursday, 25 October 2007, 12:02 GMT 13:02 UK
The growing number of toy-themed virtual worlds aimed at young people risks undermining the basic human values we wish to instil in children.
So said industry veteran Lord Puttnam opening a London conference devoted to discussing virtual worlds.
He feared that all children will learn from these virtual spaces is that they are first and foremost consumers.