何が一番好きですか?
The graphical way on how vital and interesting data is presented. It makes it easy for someone who is not too deep involved in pricing and rate optimization to start and then to dive deeper into various professional levels.
何が嫌いですか、または改善できると思いますか?
Depending on the device some screens may be displayed in an optimized way. I am using Apple devices which sometimes show in a different way. Yet it is only cosmetical.