A Polyglot's Daily Linguistic Workout
15:21
A Polyglot's Daily Linguistic Workout - 15 Years Later
20:32
The 6-Language Factor - A Benchmark to Structure Your Progress
31:43
Teach Yourself a Language in 15 Minutes a Day: Step-by-Step Demonstration
5:18
This Man Speaks 22 Languages (Human Polyglot)
23:44
Ex-Professor Reveals Way to REALLY Learn Languages (according to science)
15:13
Are Most YouTube Polyglots Lying?
24:12
Eu usei Duolingo por 2000 dias. Eu consigo falar espanhol?
23:45