How good can you get with duolingo?

Related questions

1. Does duolingo tell you how fluent you are?
2. Is Rosetta Stone better than duolingo?
3. Which is better Pimsleur or Rosetta Stone?
4. What is duolingo meme?
5. Is duolingo effective for Japanese?
6. Does duolingo have Farsi?
7. Can you become fluent in a language in a year?
8. Does duolingo offer certificate?
9. Is there Arabic in duolingo?
10. How successful is duolingo?

Tags

1. #started
2. #teach
3. #philosophy
4. #spanish
5. #fluent
6. #through
7. #based
8. #stone
9. #thing
10. #rosetta
11. #assimil
12. #great
13. #education
14. #beautiful
15. #program
16. #yourself
17. #duolingo
18. #place