Difficult

I can travel from there to here by disappearing, and here to there by reappearing.

The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?

At first I am a yellow weed in the lawn, and then the wind blows, and my white feathers are gone. What am I?

Never alive but practically extinct. How we miss the letters pressing the ribbon of ink. What is it?

Riddles and Answers