A possible concise summary is:
The speaker is a blogger who receives a message from a former schoolmate who bullied her and slammed her into a wall. The schoolmate asks for an iPhone, clothes and other things, claiming that the speaker owes her because they studied together. The speaker refuses and reminds the schoolmate of how she treated her badly and spread rumors about her. The schoolmate threatens to write a post in a city group to slander the speaker, but the speaker says she doesn't care and warns her that she can reopen the case against her for the assault. The speaker also talks about how she wants to motivate her subscribers who have similar experiences of bullying and how she doesn't owe anything to anyone except her children. She ends the video by thanking her audience and saying goodbye.
Here are the key facts extracted from the text:
1. The text is a transcript of a video by a blogger named Elena Altman.
2. The video is about a message she received from a former schoolmate who asked her for an iPhone, clothes and other things.
3. The schoolmate was the same person who slammed Elena into the wall at school and accused her of spreading rumors about her.
4. Elena refused to help the schoolmate and confronted her about the past incident.
5. The schoolmate threatened to write a post in the city group to expose Elena as a bad person.
6. Elena decided to publish the video as a motivation for her subscribers who faced bullying at school.
7. Elena believes that she doesn't owe anything to anyone except her children and that people should treat others kindly.