What's scarier: the pink-suited guards from Squid Game or a dozen unread notifications from the Duolingo owl? Ahead of the Dec. 26 premiere of season 2 of the Netflix megahit, the streaming ...

Whatever US politicians were hoping for, what they got was a huge increase in users signing up to Duolingo to learn Chinese and American users flooding Chinese apps.

Learn more about my experiences with Duolingo, Babbel and Pimsleur below, including the sign-up process and lesson structure for each one. SKIP AHEAD Get to know the apps | How I tested the ...