The Nintendo Newsletter is a great way to keep up on all the latest Nintendo news and information. You can sign up for the newsletter here: http://www.nintendo.com/newsletters/register/. Once you have registered, you will be able to create a login and password. Once you have logged in, you will be able to view all of the newsletters that are currently available. You can also choose to receive specific newsletters, or all of the newsletters.
The newsletter is typically sent out once a week, and it contains news, updates, and information about upcoming games for the Nintendo Switch system. If you would like to be notified when new newsletters are available, you can sign up for the Nintendo Switch e-mail notification service here: https://accounts.nintendo.com/signup/.