Duolingo
Duolingo is a free language-learning program.[2] Its website and mobile apps are available to anyone with an internet connection plus a computer, tablet or smartphone.[3] Duolingo can be used on iOS, Android, Windows 8 and 10 operating systems. Duolingo allows people to learn over 106 different language courses in 40 languages. There are over 500 million people learning a language on Duolingo.[4][5]
.svg){kind=logo} | |
| Headquarters | Pittsburgh, Pennsylvania |
|---|---|
| Founder(s) | Luis von Ahn, Severin Hacker |
| CEO | Luis von Ahn |
| Industry | Online education, Professional certification, Translation, Crowdsourcing |
| Services | Language courses, Duolingo Test Center, Duolingo for Schools |
| Slogan(s) | Free language education for the world |
| Website | duolingo |
| Alexa rank | ▼ 869 (January 2017[update])[1] |
| Advertising | yes |
| Registration | yes |
| Available in | Multilingual
|
| Current status | Online |
History
The project was started by Professor Luis von Ahn and graduate student Severin Hacker. The main development language used was Python.
Duolingo Media
Picture of Luis von Ahn, MacArthur Fellows Program recipient 2006
References
- ↑ "Duolingo". Ranking. Alexa Internet. Archived from the original on 9 January 2019. Retrieved 23 January 2017.
- ↑ Jill Duffy (6 August 2015). "Duolingo". PC Magazine. Retrieved 21 December 2015.
- ↑ Shane Hickey (8 March 2015). "Learning the Duolingo – how one app speaks volumes for language learning". The Guardian. Retrieved 21 December 2015.
- ↑ "100M users strong, Duolingo raises $45M led by Google at a $470M valuation to grow language-learning platform". Venture beat. Retrieved 2015-06-21.
- ↑ "Duolingo – Learn Languages for Free". Windows phone. Microsoft. Retrieved 2014-11-21.
Other websites
- Lua error in Module:Official_website at line 90: attempt to index field 'wikibase' (a nil value).