Why Yesod?

This page is intended to be a crowd-sourced/user-contributed listing of why people like and use Yesod. Feel free to dump text directly here, link to a blog post, whatever. If you want to put your name after the quote, even better.

• Yesod excellent ideas

Many people try to claim that static typing doesn't obviate the need for unit testing. Well that's true to some extent, static typing does eliminate a huge number of unit tests as unnecessary. Let's put together some concrete examples of this in action. Plus, show the cases where you wouldn't have even thought to write a unit test, yet static typing saves you, like XSS attacks.