Adam Greenfield

“The smartphone is not just a device in the hand. It is a mediator of attention, identity, payment, navigation, memory, and social permission.”

Greenfield treats the phone as the command surface of everyday life: small enough to feel personal, large enough to reorganize the city around it.

“The smart city is never only smart. It is a claim about what should be measured, who gets optimized, and which forms of life become administratively visible.”

The book's urban critique is that sensors and dashboards encode priorities before citizens get to debate them.

“Automation does not remove politics from decisions. It moves politics into defaults, thresholds, queues, training data, and procurement contracts.”

Greenfield's warning is that automated systems often look neutral precisely when accountability has become harder to locate.

“Every seamless interface has a backstage: minerals, warehouses, standards bodies, energy grids, moderators, maintenance crews, and discarded devices.”

Radical Technologies keeps pulling the material world back into view, especially where marketing tries to make infrastructure feel weightless.

“The future arrives unevenly, but it also arrives quietly: as a default setting, a subscription, a sensor, a convenience, or a missing alternative.”

The book is most useful when it trains suspicion toward normality, not toward novelty.

“Technological literacy means asking not only what a system can do, but what arrangements of power must exist for it to do that at scale.”

Greenfield turns product questions into civic questions: ownership, auditability, refusal, repair, and public consequence.