Some future citizens will crave privacy in a world saturated with surveillance. Here’s a way for them to conduct their lives privately outside of their homes:
Ground floor – shopping centre – full of surveillance.
First floor – offices – no surveillance – all wireless transmissions blocked
Basement – secret meeting spaces, bars and clubs – no surveillance – all wireless transmissions blocked
If the building is of sufficient size, all that those who are tracking you know is that you entered an elevator and either went up or down.