Answer:
A mighty weapon in the war against winged household pests.
Five men were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
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.
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?