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Drop in any video link, or pick from our massive library of books to extract the main concepts in seconds.
Explore books and videosYou learn a language by using it.
Learning a language doesn't have to be slow or boring. It is much easier — and a lot faster — when you just open a chat and start talking. The AI tutor adapts to your level, keeps the conversation going, and helps you sound natural.
- Talk about anything: Small talk, coffee orders, work calls.
- Fix mistakes on the fly: Gentle corrections as you type.
- Ask “why”: Simple explanations of any word or phrase.
Sofía · AI tutor
Spanish · online
¡Hola! ¿Cómo estuvo tu fin de semana?
¡Muy bien! I went to el mercado y compré muchas frutas 🍑
Tip Great sentence! You can say the whole thing in Spanish: “fui al mercado” — fui is the past tense of ir (to go).
¡Gracias! Fui al mercado y compré muchas frutas.
¡Perfecto! ¿Cuál es tu fruta favorita? 😄
Get key ideas from videos and books.
You don't have to watch a 2-hour podcast or read a heavy book just to learn something new. Paste a YouTube link or browse our built-in library to get the exact facts you want.
- Unlock the library: 1,000+ nonfiction book summaries.
- Save your time: Key points from long videos and podcasts.
- Explore and apply: Actionable notes from any content.
00:00
“Why We Sleep: The Science of Rest” — key points
- Consistent sleep and wake times matter more than total hours for feeling rested.
- Deep sleep in the first half of the night is when the brain consolidates new memories.
- Caffeine has a half-life of about 6 hours — an afternoon coffee still affects your night.
- Short naps under 20 minutes boost focus without causing grogginess.
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