Augmented reality, where digital data is overlaid on the real world, is fast-becoming an inevitable part of our future.
From Hololens to Google Glass, major technology firms are betting big on its potential.
But that potential comes with dangers - and the latest to be uncovered is a significant increase in response times when wearing augmented reality glasses.
Psychologists at the University of Central Florida have found that people are easily distracted by extra information being put in front of their eyes.
In tests, Joanna Lewis asked 363 student volunteers to complete a "find the object" task on a computer.
Some wore Google Glass, and some did not.