Answer:
Without a bridle or a saddle across a thing I ride a-straddle. And those I ride by help of me though almost blind are made to see.
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
If you have it, you donβt share it. If you share it, you donβt have it. What is it?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
Give it food and it will live, give it water and it will die.