From Ray Kurzweil's blog:

In my 2004 book The Singularity Is Near, I anticipated that there would be premature announcements of this kind:

The Singularity Is Near, page 295 | Turing was carefully imprecise in setting the rules for his test, and significant literature has been devoted to the subtleties of establishing the exact procedures for determining how to assess when the Turing test has been passed. In 2002 I negotiated the rules for a Turing test wager with Mitch Kapor on the Long Now website... (cont'd)