A London judge discovered a witness was being coached in real time through smart glasses during testimony. It's a glimpse into how ubiquitous AR tech creates new vectors for courtroom manipulation.<br><br>This is the dark side of ambient computing that nobody talks about. As AR glasses become invisible and normalized, they become perfect tools for cheating, manipulation, and fraud. Courts are woefully unprepared for this - and so are most institutions.<br><br>The case came to light when the judge noticed something off about a witness's testimony patterns. Pauses in odd places. Answers that seemed scripted. An investigation revealed the witness was wearing smart glasses connected to someone outside the courtroom feeding them information and responses in real time.<br><br>Smart glasses have existed for years, but they're reaching a tipping point. They look increasingly like regular glasses. They're harder to detect. And they enable a kind of invisible, real-time communication that breaks fundamental assumptions about how testimony works.<br><br>When a witness takes the stand, we assume they're speaking from their own knowledge and memory. That assumption underpins the entire adversarial process. Cross-examination only works if you're actually examining the witness, not an invisible third party feeding them answers.<br><br>The technology isn't hard to implement. Basic smart glasses can receive text. More sophisticated ones can do real-time transcription and provide visual overlays. Someone watching a video feed of the courtroom can instantly message the witness with answers, corrections, or evasions.<br><br>This goes beyond courtrooms. Job interviews. Negotiations. College exams. Anywhere that tests individual knowledge or judgment becomes vulnerable when invisible tech can provide outside assistance. We're not ready for that.<br><br>The obvious response is to ban electronic devices in sensitive settings. But how do you enforce that when the devices look like regular glasses? Metal detectors don't catch them. Visual inspection isn't reliable. Do we start requiring everyone to wear court-provided eyewear?<br><br>Signal jamming is another option, but it's technically complex and legally fraught. Blocking all wireless signals in a courtroom affects lawyers' devices, court reporters, accessibility tools for disabled participants. The cure might be worse than the disease.<br><br>We're entering an era where the boundaries between individual and networked cognition blur. Smart glasses are just the beginning. Brain-computer interfaces are coming. At some point, institutions built on assumptions of individual, unaugmented human judgment will need fundamental redesigns.<br><br>For now, London courts will presumably start screening for smart glasses. Other institutions will follow. But this is a rearguard action. The technology is here. It's getting better. And our institutional immune systems are still calibrated for older threats.