Why it worked
The video uses a surprising linguistic fact as a hook, which is inherently engaging and shareable. It then seamlessly integrates a promotion for a relevant app, making the advertisement feel like a natural extension of the content.
Summary
The video presents a linguistic observation about the English language, stating that nothing starts with 'N' and ends with 'G'. It then transitions to promoting the 'Wordy App' as a tool to enhance vocabulary.