Answer:
It can pierce the best armor and make swords crumble with a rub, yet for all its power It can't harm a wooden club.
It is the electronic version of junk mail or a salty meat in a can.
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
Which button does not function when being pressed?
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?
I have two bodies joined together as one. When standing still I run and run.