1. Do they claim that the backend is actually a quantum computer? Or are they just providing a quantum computing like interface, which is backed by a classical

1. Do they claim that the backend is actually a quantum computer? Or are they just providing a quantum computing like interface, which is backed by a classical computer emulating a quantum computer? 2. Looking at their Terms Of Service (excerpt below) it's unclear whether you share rights any model that you try in their playground? <i>"IBM does not want to receive confidential or proprietary information from you through our Web site. Please note that any information or material sent to IBM will be deemed NOT to be confidential. By sending IBM any information or material, you grant IBM an unrestricted, irrevocable license to copy, reproduce, publish, upload, post, transmit, distribute, publicly display, perform, modify, create derivative works from, and otherwise freely use, those materials or information. You also agree that IBM is free to use any ideas, concepts, know-how, or techniques that you send us for any purpose. However, we will not release your name or otherwise publicize the fact that you submitted materials or other information to us unless: [...]"</i>