Answer:
It's been around for millions of years, but it's no more than a month old. What is it?
In many hallways you would stand, if not with this in hand.
Women don't have and don't want it. Men get it but sometimes they try to get rid of it. What is it?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
Very helpful if you intend to go gently down a river.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?