What is the meaning of life?

There is no meaning, but the rent is due. Read more about it here.

How do I make a decent cup of coffee?

Consult the ancient tomes of Coffea, the forgotten art. Or just use an electric kettle. Learn more about the dark arts.

Can you explain the plot of "Inception"?

No, but I can explain the plot of "Inception: The Sequel" which is actually just a bunch of guys standing in a field. More on this later.

Is the answer to all of this 40,000-word question just to say "Google it?"

Guilty as charged. But don't worry, I've pre-Googled it for you. The answer is: "Google it.".