In the alte heim, they never worried about kosher for shabbos elevators, shabbos friendly refrigerators/freezers and dozens of innovations they have evolved to serve a need, albeit not necessary accepted by all segments fo the tzibur. I was obviously being a bit sarcastic about hard copy seforim being displaced entirely by electronic devices but there is probably some frum geek in Palo Alto or Silicon Wadi (the high tech center outside Tel Aviv) who is researching a virtual reality tech solution where you could wear special kosher of shabbos eyeglasses that would read your thoughts and know exactly where in the davening you were and project the visual on your lens. Don’t try to forecast the boundary between technology and halacha….those who try typically lose or move to meah shearrim and live in a cave.
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