| 1 | During the Cambrian period, 500 million years ago, worm-like creatures were evolving into fish-like creatures. | |
| 2 | The first three eons, which together lasted nearly 4 billion years, are together known as the Precambrian. | |
| 3 | The Ediacaran fossil record thus stretches the origins of animals to well before the Cambrian Explosion. | |
| 4 | Like a gene in the Cambrian seas of the early Web, information was copied and recopied endlessly. | |
| 5 | To be born during this, the Cambrian Explosion - why, I couldn't imagine a better period, really. |