Here is a concise summary of the provided transcript:
**Title:** Author Buys His Own Book, "The Secrets of YouTube"
**Summary:**
* The YouTuber, who wrote "The Secrets of YouTube", aims to reach 10 million subscribers.
* To promote his book, he conducts a social experiment: visiting various stores, asking for his own book, and recording people's reactions without revealing his identity.
* The video showcases several interactions with store staff and customers, highlighting their familiarity with the book and its author.
* Reactions range from recognition to surprise, with some staff even recommending the book to customers.
* The author reflects on the book's unexpected success, with multiple editions sold, and expresses gratitude to those who have purchased it.
Here are the extracted key facts in short sentences, numbered for reference:
1. **Goal**: The creator's objective is to reach 10 million subscribers.
2. **Book Title**: The creator wrote a book called "The Secrets of YouTube".
3. **Subscribers at Time of Recording**: The channel had close to 7 million subscribers.
4. **Book Editions**: There were 11 or 12 editions of "The Secrets of YouTube" as of the video's recording.
5. **Book's Success**: The book was a best seller, with many editions sold.
6. **Experiment**: The creator conducted an experiment to buy their own book in different stores.
7. **Locations**: The experiment took place in various locations, including a shopping center in Murcia.
8. **Promise**: If the video reached 200,000 likes, the creator promised to buy a Tesla Roadster (relevant to 2020).
9. **Book's Popularity**: The book was among the top 3 best sellers in at least one store.
10. **Author's Anonymity**: The creator attempted to remain anonymous during the experiment, with mixed success.
11. **Reactions**: The video aimed to capture genuine reactions from people upon discovering the creator buying their own book.