Answer:
A great mysterious place that the bold have been known to journey into.
My first is second in lineอพ I send shivers up your spineอพ not quite shining bright I glitter in the light.
What is that which, though black itself, enlightens the world without burning?
It is the electronic version of junk mail or a salty meat in a can.
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
You use it between your head and your toes, the more it works the thinner it grows.