Is duolingo app safe?

Related questions

1. How does duolingo plus work?
2. Can adults learn a new language?
3. Can you really learn Spanish with duolingo?
4. Can you use duolingo on a computer?
5. How effective is duolingo in learning a language?
6. Can I download duolingo lessons?
7. How long does it take to learn Korean with duolingo?
8. How long does it take to finish duolingo Spanish?
9. What's the highest level in duolingo?
10. Does duolingo actually take your family?

Tags

1. #duolingo
2. #worry
3. #perfectly
4. #reminders
5. #email
6. #internet
7. #quite
8. #language
9. #learning
10. #think
11. #popular
12. #sites
13. #practice