Tech News Clever Software Lets You Re-Use Your Old Touchscreen Devices As One Giant Display By Andrew Liszewski Published November 1, 2012 | Comments (0) 𝕏 ...

HP says that players will be able to use a "real-time screen mirroring feature" in the OMEN Command Center to cut, magnify, and display portions of the main screen on that second display.

But if you’ve got a spare dollar in your wallet, you could upgrade your MacBook with touchscreen-like functionality all by yourself using this wonderfully clever hack.

External displays can transform a MacBook into a workable desktop setup, freeing the laptop user from the constraints of the smaller screen—even the spacious 16-inch display.

Neonode's AirBar promises to add touchscreen capabilities to an older laptop or monitor for just $69. And by golly, it works.