When you use mechanical implants to improve upon oneself and use sunglasses where others can't

To make greater, bigger.

Adding to something, make it better.

Augmented Reality, is the technology used in Pokémon Go and in the ARknet social media app.
You can create ArKs which are floating interactive pictures only visible around you when using your smartphones.📱

Augmented reality blurs the line between what’s real and what’s computer-generated.

A real estate leasing technique whereby the landlord and tenant cooperate to sublet a portion of the property or unit, and split the rent revenue (and responsibilities) of the sublease. Unlike traditional subletting, the tenant remains in the unit/property along with the subtenant. Unlike just getting a roommate, there is a hierarchy between the tenant and subtenant. The tenant assumes some (but not all) of the landlord's responsibilities, effectively becoming more than just a tenant. He is an Augmented Tenant. Hence the term Augmented Tenancy.

Cybernetic and/or Nanotech enhancements to the human body which provide either increased functionality of current abilities or entirely new capabilities.