Answer:
It is the electronic version of junk mail or a salty meat in a can.
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
My thunder comes before the lightning. My lightning comes before the clouds. My rain dries all the land it touches.
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
At first I am a yellow weed in the lawn, and then the wind blows, and my white feathers are gone. What am I?
When is it bad luck to see a black cat?