Ray Kurzweil has to be one of the smartest man on this Earth. His message for the future is something to take note of.
In this keynote speech at the Singularity Summit he gives a deep and insightful vision of the technological advancements we can expect for the next years and decades.
Ray has been predicting the future for more than twenty years using the premise of exponential growth in almost all sectors of the information technology field.
These advancements will touch our lives in the coming years. We are at the brink of a revolution of sorts where the processing power of computers will be greater than the human mind and eventually even the human race!
If you want to get a better feeling for what is coming I highly recommend you read his books: