Answer:
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
I can run but not walk. Wherever I go, thought follows close behind.
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
I have one door and five rooms what am i
What has four legs during the day; and six or eight during the night?
Before Google, we actually had to physically look things up in this building full of knowledge.