Are Memes and Internet Culture Creating a Singularity?

Here on the internet, we love us some memes. But where do they come from? Yes we know, they are user generated. But to an internet layman, they seem to just appear, in HUGE quantities, ready for cultural consumption. Are they a sign of a "cultural singularity"? It may seem like science fiction, but we're close to a world where culture automatically and magically creates infinitely more culture.