Special Product Announcement from Duolingo

Name: Special Product Announcement from Duolingo | TechCrunch
Uploaded: 2012-05-22T16:13:17+00:00
Duration: 9 min 4 s
Description: TechCrunch Disrupt NY 2012 – Day 2 on Special Product Announcement from Duolingo

12 years

TechCrunch Disrupt NY 2012 – Day 2 on Special Product Announcement from Duolingo