# Dear Duolingo

## Why does Japanese have three writing systems?

Written by [Anthony Chan, M.A.](https://blog.duolingo.com/author/anthony/), published on Jul 21.

## Is English a difficult language to learn?

Written by [Stefanie Schantl, M.A.](https://blog.duolingo.com/author/stefanie/), published on Jun 23.

## What is “vosotros” and when do I use it?

Written by [Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/), published on May 26.

## Can you learn multiple languages at once?

Written by [Emilie Zuniga, Ph.D.](https://blog.duolingo.com/author/emilie/), published on May 12.

## How can I learn Chinese tones?

Written by [Farrah Neumann, Ph.D.](https://blog.duolingo.com/author/farrah/), published on Apr 28.

## Is it too late to become fluent?

Written by [Olivia Thayer, M.A.](https://blog.duolingo.com/author/olivia/), published on Apr 14.

## How do I memorize the gender of every noun in my language?

Written by [Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/), published on Mar 31.

## How did the days of the week get their names?

Written by [Stefanie Schantl, M.A.](https://blog.duolingo.com/author/stefanie/), published on Mar 17.

## Why do some languages have gender?

Written by [Cindy Blanco, Ph.D.](https://blog.duolingo.com/author/cindy/), published on Mar 3.