Read his book,
The Singularity is Near if this interests you. A very interesting hypothesis of where our society is going if technology keeps expanding at the rate it has been for the last 40 years (Moore's Law). Very compellingly laid out.
And yes, if he is right, within 30 years you will no longer need a body, your consciousness will reside in virtual space, forever. If you want to jaunt around in "real" reality, you can have a body constructed for you and have your consciousness downloaded into it. Immortality is quite possibly in our future.
What, you ask, was the beginning of it all?
And it is this...
Existence that multiplied itself
For sheer delight of being
And plunged into numberless trillions of forms
So that it might
Find
Itself
Innumerably.
-Sri Aubobindo
Saidin is a fictional character, and only exists in the collective unconscious. Therefore, we both do and do not exist. Everything is made up as we go along, and none of it is real.