Today, the machines became a little smarter, as a computer named Elbot managed to achieve a 25% success rate when convincing a human being that they were talking to another human. via Gizmodo & The Telegraph
Should the law of exponential growth hold, it isn’t going to long until we can create programs that can ace the turing test. Its taken 58 years [1] from its inception to this point, I don’t think it will take us many more years before the test is passed.
Ray Kurzweil has previously stated in his books (Age of Spiritual Machines & The Singularity is Near) that we would be able to create a system that accurately simulates human interaction to pass the turing test [2] I think I am going to go out on a limb and say it will be much sooner.