It suggests that the Internet Age is now about to end, with a massextinction of dot-coms as sweeping and complete as the one of reptiles at the end of the Jurassic.
Its detection at unearthly levels in rocks 65 million years old was the first evidence in the case for an asteroid causing the massextinction and global environmental mayhem that ended the Cretaceous period and began the Tertiary period.
But we are the only species to have defined a geological period by our activity something usually performed by major glaciations, massextinction and the colossal impact of objects from outer space, like the one that defines the upper boundary of the Cretaceous.