In the future it would be possible to see your own corpse and even fuck your former body provided your mind is sucessfully transferred to a computer in advance.
Humans will finally get rid of biological death and become immortal machines.
But what will necros do then?
Discuss.
Meat Pie
After an hour of pondering over this question, I am ready to discuss.
By becoming Immortal machines you mean robots?
If so, then Necro's will be divided into two groups, those who are still alive physically and those who have become Necro-Robots (died and their consciousness transferred into robots).
There will be most likely a movement against this transference, so groups of people will be living away from this kind of society and creating their own Natural Society and some of the Necros will follow.
Quite a few Necros will be ostracized and outcasted, those Necros who do not return to the main cities will band together and terrorize the Natural Society with their awesome brutality.
Eventually there will hunting parties to eliminate these bands of Necros.
They may eventually succeed in wiping these bands of Necros out.
However, since Necro is a natural desire in some humans, new Necros will take their place an d those new Necros will in turn be ostracized and outcast and hunted and etc.
Necros will always be around cos of this self perpetuating natural cycle of events.
Those who turn into Necro-Robots will be fucking themselves, because they can and find it an awesome development and they will be living the normal lives they had before they were Necro-Robots.
Necro-Robots might apply for positions such as mortuary and other disposal job positions, the officials may even turn a blind eye in regards to these Necro-Robots in these job positions. These Necro-Robots will provide resources to other Necro-Robots and from time to time the officials will do a raid and bust this Necro-Robot ring just to prove to the public that they are not letting Necros run out of control this also acts as a trust tactic with the voting public.
Those Necros who choose to have their consciousness stored in a programme, will be running around causing havoc, due to them killing these newly Immortal humans so they can continue their Necro activity. Their will be a uproar and these Necro elements will be purged and their will be a movement among the Necro-Robots to save their fellow comrades
Only threat to Necros in the future, is the exhaustion of resources to maintain a Immortal Machine World.
This would lead to mass extinction of human consciousness and for those lucky few that know how to transcend death eg, transfer their consciousness, they will transfer this out into the universe or into other dimensions.
The other scenario is what happens if human evolves to the point where they do not need bodies anymore and are floating living streams of consciousness or light?
The Necros (who are now lights or dust) will be devouring the other decaying lights or dust (other dying or dead consciousness) as a representation of fucking the dead and in this scenario they should eventually grow bigger and bigger throughout time and even perhaps growing into a new planet therefore creating new solar systems, planets and life and new necros cue self perpetuating cycle over and over again until this energry rounds out to create another cycle and cue the final existence of the universe.