Answer:
A doctor might remove one from the neck of a Dracula victim.
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
I drift forever with the current down these long canals theyโve made, Tame, yet wild, I run elusive Multitasking to your aid. Before I came, the world was darker, colder, sometimes, rougher, true. But though I might make living easy, Iโm good at killing people too.
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
What is put on a table, cut, but never eaten?
I touch the Earth, I touch the sky, but if I touch you, youโll likely die. What am I?