New pointer tech for digital displays

I had the pleasure of watching a presentation this week being given on one of the new 70 inch displays that are starting to replace some of our projectors.

All looked great; bright, clear image with no reflections. I didn't have to squint nor did I have to turn off the lights and close the blinds.
There was just one issue.

The red and green laser pointers we use in sessions just didn't work on the anti reflective screen. The coating is so good that you could almost be convinced the pointer turned off as it crossed from the wall to the screen.

Thankfully there is a new old solution:

Are these going to be big business again?
(Could also see diamond rings being band to prevent scratches)

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