Duolingo is a free website and app for learning languages through short, repetitive exercises that teach vocabulary and grammar. It functions as both a language learning platform and a crowdsourcing text translation tool, allowing users to translate web pages and documents as they advance in their studies. Currently, Duolingo offers courses in over 56 languages, including Spanish, English, French, German, Portuguese, and Italian.

2. Duolingo is a website for the free
language learning while a
crowdsourcing platform text translation.
The service is designed so that as the
user advances in learning, it helps to
translate web pages and other
documents. The site currently offers
courses in Spanish, English, French,
German, Portuguese and Italian.

3. Characteristics
Duolingo offers more than 56 languages.
Duolingo gives us the opportunity to learn a
language in a completely right way, through
different themes and focusing on repetition and
hearing.
Through their language lessons, the site offers
the possibility of translating texts from the
Internet.
Duolingo is available for iOS and Android devices
in addition to their website where you can also
sign in with the same account you used to log in
from your mobile device or vice versa.

4. Disadvantages
The exercises are very
repetitive.
The quality of the sound is bad.
Internet is needed.
To have a big knowledge in
vocabulary you have to pass the
majority of the levels.

5. Advantages
It has more than 56 languages.
It is available for PC and Smart
phones.
It is free.
It is like a game.
Fast learning

6. How to use it ?
1. It is easy to be part of this
courses, the only thing you have to
do, is to give a valid email account,
where the user will receive
information.

7. 2. After you have created your
profile, now you have to chose
what course you want to take.
3. If you feel like you already
know the topic you can take a
short test to pass to the next
level

8. 4. It is necessary that you chose
how fast you want to work.
5. The basic levels has only four
lessons.

9. 6. Each lesson has eighteen exercises,
when you finish a level you get a
“lingot” and you can continue to the
next level.
7. There are several structures in
the exercices.

10. 8. It has several options, you can check the
advances, you have made, you can share with your
Friends.