It must be copyrighted or have some other broken dis-economy, because the most obvious product decisions that would make this huge have been rejected.

The whole point of this is to study in spare moments, like on public transit - using mobile. Uninstalled. That's so disappointing because it's so obvious, and I can't trust an ecosystem that dumb.

I didn't think it was possible to be as disappointed in an app as I am with this one.