Echoing others' experiences, really difficult to try the demo. I saw data - I typed a question, hit the button. Nothing. I need to hit Enter. Do so. Wait for li

Echoing others' experiences, really difficult to try the demo. I saw data - I typed a question, hit the button. Nothing. I need to hit Enter. Do so. Wait for like a minute - progress bar appears? Then a message about datasets. Huh? ..