In settings with ubiquitous mixed reality I know two science fiction novels and one Japanese anime, do you know others ?
Memories With Maya, by Clyde DeSouza, June 2013
“The first version of this Surrogate Metaverse was simply called Google Earth, and it’s imagery and topography was updated only every few months or so… Until the launch of Mesh-net – that changed everything”
Rainbows End, by Vernor Vinge, 2006
“A new information age in which the virtual and the real are a seamless continuum, layers of reality built on digital views seen by a single person or millions, depending on your choice. But the consensus reality of the digital world is available only if you know how to wear your wireless access—through nodes designed into smart clothes—and to see the digital context—through smart contact lenses.”
Doesn’t the Metaverse in Snowcrash (according to wikipedia, it is the first occurrence of metaverse) fit the description?