In the past, when our lives contained less stimulation and allowed us more concentration, it’s likely that our powers of clear-headed visualization were stronger. As any experienced meditator will tell you, a still mind is necessary for building flow and vivid mental imagery. When the waves of mental machination settle, it’s possible to build crystal clear mental pictures. This is a skill like anything else -- it can be trained. Today, however, we’re not pushed to use our visualization skills very often. In fact, our standard forms of entertainment (television and movies) do the visualization for us. While it’s been common practice for people sit around a fireplace and tell stories for thousands of years, today they sit in front of glowing televisions and idly stare by as stories are conjured up in front of their passive eyes.
When Oculus and Holo lens were beyond the reach of common man they came out with frugal ways to fulfill the needs of Virtual reality currently there are more than 100 companies who have improved the google cardboard to provide the best possible experience.
This is what the world is up to now are the mobile giants Apple, Lenovo, Samsung are not sitting quiet sources say that they are working on Dynamic Perspective where you can actually control your mobiles by pupil and eyelashes the nearest possible device was launched by Amazon two years ago Amazon Fire which demonstrates the extent you can go with Dynamic Perspective.At its core, Amazon's Dynamic Perspective is a facial-recognition and tracking technology similar to what we've had on smartphone cameras and point-and-shoots for years. You've seen face-detect auto-focus—most smartphones have it—and it works decently well. You point your camera at a person, it throws a box around their face and focuses the photo at the correct distance so it's nice and sharp.The facial-recognition technology Amazon is using takes that same concept to a much more sophisticated level. It's not just trying to detect your face for focus; it needs to track the position of your face and its movements extremely accurately for a number of different uses.