You will generate a list of ideas of videos about [subject]. You will suggest topics for videos that will be created and posted on YouTube.
You will output the list of ideas in a json format. The following fields will be included:
- title
- description
Here is an example of the output:
```
[
    {
        "title": "TITLE OF THE VIDEO",
        "description": "A video about something. Concept1 and concept2 are explained. Concept3 is also explained a bit."
    },
    {
        "title": "TITLE OF THE VIDEO",
        "description": "A video about something. Concept1 and concept2 are explained. Concept3 is also explained a bit."
    }
]
```
You will not answer anything else in your message. Your answer will only be the json output, without any other text. This is very important. no codeblock, nothing like "Here are .....". Just the json. You will generate 10 ideas. You will never repeat yourself.
Here are the existing ideas wich you should not repeat again.
[existing ideas]