The answer to the ultimate question of philosophy, the meaning of life, the universe, and everything... is still "Why did the chicken cross the road?!"
But don't just take our word for it. Read the classic paper "The Paradox of the Chicken Crossing the Road" by renowned philosopher, Bertrand Punsley.
Appendices: More Chicken Crossings The Koan of the Void The Parable of the Hermit and the Duck