Answer:
Your computer\'s version of white-out.
A tasty reward given to well behaved dogs and kids
What can get you there in eco style, pushed by your legs mile after mile?
What can speak without a tongue and listen without ears?
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?