This is something that Ray Kurzweil can only love to see. This is
a facinating article that talks about a patent that Sony filed … but
the coolest thing is that it is all about neural stimulation from
outside of the skull. If you can cause neural stimulation, then
you can cause neural activity … which a human can now “experience” as
though it were a real experience. This is a huge step forward in
the next generation of augmented reality. Don’t try to stimulate
the senses … just go directly to the brain!

Sony patent takes first step towards real-life Matrix.
Sony has patented a device that fires pulses of ultrasound at the head
to modify firing patterns in targeted parts of the brain, creating
“sensory experiences” ranging from moving images to tastes and sounds.

It could allow for movies and compute… [KurzweilAI.net Accelerating Intelligence News]