hate to play devils advocate (leopard => spots AS me => D.A.), but is there actually any research showing that one is better than the other?
I hate chalk dust as much as the next person, but I also no fan of bromintaed fire retardants.
Just bc something clicks and beeps, doesn't mean it's necessarily the best solution.
We have some very fancy automated faucets and lighting systems in the building, neither are without their flaws.
Custodial staff says that the lights are about a wash (save as much as they waste) but the facets actually waste more water bc they can run on and on (over a weekend for example) compared to more traditional designs
we could just say that very same thing about using slate tablets instead of digital devices. (sorry...I can't help myself sometimes...).