> you can interpret it yourself Or, that you cannot interpret it. At the beginning of the movie, the monolith changed monkeys to be intelligent enough to use t

> you can interpret it yourself Or, that you cannot interpret it. At the beginning of the movie, the monolith changed monkeys to be intelligent enough to use tools. At the end of the movie, another encounter with the monolith causes a similar change that - to our unchanged, stupid minds - looks like a chaotic mess that cannot be understood. Being confused about the ending was the goal.