This is common practice already for the elite.

IBM's blue gene system is specially designed for the task.

Many mentors such as Steve Jobs and Bill Gates have virtual versions. They not only act and respond like the original, they are actively working on holographic representation so they can supplement their originators at speaking engagements and the like.

A full digital image takes about 90TB of space and requires 5 24-cpu machines with 128gb of ram per to perform at human speeds. When hosted on a blue gene they are many times faster.

Watson is a comercially available version of the technology.

We are caprica.