I remember one elevator button was a large metal bulge, that didn't get pushed, but instead did a little electric jolt to my finger (at a very small distance be

I remember one elevator button was a large metal bulge, that didn't get pushed, but instead did a little electric jolt to my finger (at a very small distance between finger and the button). Here you can see it on 0:23 of video tour: https://marketplace.vts.com/building/400-capitol-mall-sacramento-ca https://marketplace.vts.com/building/400-capitol-mall-sacram...