Yes, Duolingo is free and I’ve learned a lot. No, I don’t like the psychological manipulation. I’m still using it but I changed my user name.
Yes, Duolingo is free and I’ve learned a lot. No, I don’t like the psychological manipulation. I’m still using it but I changed my user name. Similar:14% of Americans [say that they] have changed their mind about an issue because of somethi…Young men are more than twice as likely …CultureHacking the Attention EconomyThe techniques that…



















