Amazon was keeping close guard over its new Echo Hub smart controller in the demo room at today’s big hardware event. But I managed to get a few seconds of hands-on with a working tabletop unit before it was whisked away. I also put it through its paces on the wall-mounted version, and while it responded to touches promptly in some cases, it’s no iPad — or even Fire tablet.
Maybe it’s asking too much to have a powerful tablet that controls your whole smart home, mounted on your wall,…