Agreed

Have I ever mentioned before that I was never convinced that the Turing Test made much sense?  I have a vague recollection of arguing with someone about this in the 1980's:

Update:  By the way, my bit of speculation that I think is fun is that sentience in Google (or the WWW generally) might be detected when it becomes clear that it's taking steps to reproducing itself.  Say, orders for new computers or Web components are emailed to a chip manufacturer, with someone discovering they were never generated by a human.