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"The way you write science fiction is: you sit down at your writing machine and you open your mind to the first thought that comes through."
- Frederik Pohl

True-Vu Lenses (Goggles)  
  Lenses that are worn as goggles, allowing the user to both see and record what is being viewed.  

In the near-future world of Earth, oldsters (aka baby boomers) used electronic sun hats and True-Vu goggles to surveil young people and any other trouble makers.

The goggles would record whatever the wearer was watching, and then upload it to a secure location (in case anything happened).

"Watching, all the time watching... goggle-eye geeks...

What brought on Crat's sudden outburst was the sight of yet another babushka, glaring at them from a bench under one of the force-grown shade trees... The very moment they came into view, the old woman laid here wire-knitting aside and fixed them with the bug-eyed, opaque gape of her True-Vu lenses...

"No joke, bloke," Roland replied. "Some of those new goggles've got sniffer sensors on 'em..."

The stare got worse as they approached. Remi couldn't see the babushka's eyes, of course. Her True-Vu's burnished lenses didn't really have to be aimed directly at them to get a good record. Still, she jutted out her chin and faced them square on, aggressively making the point that their likenesses, every move they made, were being transmitted to their home unit, blocks from here, in real time.

From Earth, by David Brin.
Published by Bantam in 1990
Additional resources -

Brin adds these comments later in the novel:

"...You can't just ban True-Vu and other tech-stuff. You can't rebottle the genie. The world had a choice. Let governments control surveillance tech ... and therefore gave a snooping monopoly to the rich and powerful ... or let everybody have it. Let everyone snoop on everyone else, including snooping the government!

Today, of course, you can buy binoculars that have been integrated with digital cameras, letting you take a picture of whatever you see through the lenses.

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Additional resources:
  More Ideas and Technology from Earth
  More Ideas and Technology by David Brin
  Tech news articles related to Earth
  Tech news articles related to works by David Brin

True-Vu Lenses (Goggles)-related news articles:
  - PocketCaster First Live Video Webcast From Cellphone
  - UK Officers Wear Brin's True-Vu Lenses
  - Glasses Camera With Digital Video Recorder
  - Eye-Fi Equals SD Memory Card Plus Wi-Fi
  - Video Vigilantes Upload Crime Videos
  - WCCTV 3G Covert Backpack - A Surveillance Vest
  - Brando Spy Glassses Have Camera, Player Built-in
  - GandhiCam For Blackberry Auto-Uploads Sousveillance
  - U-Met Utility Helmet For First Responders
  - Polaroid GL20 Video Sunglasses
  - 'Police POV' Uses On-Officer Cameras
  - ZionEyez HD Camera Glasses
  - Lapel Cameras For LAPD Officers
  - Bullied UK Student Uses Sunglass Video For Case

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Nixie Wrist-Ready Flying Selfie-Cam Drone

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