Sign in

The undercurrents of the future. A publication from Medium about technology and people.


In OneZero. More on Medium.


An innovative security feature to separate humans from bots online comes with some major concerns

A surprising amount of work online goes into proving you’re not a robot. It’s the basis of those CAPTCHA questions often seen after logging into websites: blurry photos of crosswalks, traffic lights, and storefronts that users are tasked with identifying through a series of clicks.

They come in many forms, from blurry letters that must be identified and typed into a box to branded slogans like “Comfort Plus” on the Delta website — as if the sorry state of modern air travel wasn’t already dystopian enough. The most common, however, is Google’s reCAPTCHA, which launched its third version at the…

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store