Answer:
I drift forever with the current down these long canals theyβve 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, Iβm good at killing people too.
What letter comes next: O T T F F S S ?
I wear a red robe, with staff in hand, and a stone in my throat.
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
It's what light turns into in the night