The summary is:
The speaker is conducting a statistical experiment to find out the best catchphrase to use on a dating app called Frout. He uses a program to send automated messages with different sentences to thousands of women and measures the response rate. He also analyzes the network traffic and the emotions of the replies. He finds out that the most effective sentence is "You know what's interesting in your photos?" and that some sentences are surprisingly successful or unsuccessful. He shares some funny examples of the responses he received and thanks Frout for collaborating with him.
Here are the key facts extracted from the text:
1. The text is a transcript of a video about an experiment to find the best catchphrase for a dating app.
2. The experiment used a program that sent automated messages to thousands of people on the app Frout.
3. The program used 10 different sentences, some of which were inspired by salespeople, seduction coaches, and Twitter suggestions.
4. The results were measured by the response rate and the emotion conveyed by the responses.
5. The sentence that obtained the highest response rate was "You know what's interesting in your photos?" with 14.8%.
6. The sentence that obtained the lowest response rate was "What is the last song you listened to?" with 7.6%.
7. The sentence "I can't tell if Hiroshima told me you were the bomb or the fighter plane" was surprisingly effective and ranked fourth with 10%.
8. The experiment cost 260 euros for the premium subscription of Frout and lasted for two weeks.
9. The experiment was conducted by Micode, a French YouTube channel about coding and technology.
10. The video was sponsored by Football, a football news app.