Be sure to let your controllers charge for a bit when you first open the console. There have been reports that some new Nintendo Switch come with the right Joy-Con charged, but the left isn't. You can only download and play eShop games on your designated primary Nintendo Switch. Nintendo Accounts are automatically linked to a Switch when they first sign in to a Switch. You can designate your Nintendo Account's primary Nintendo Switch by going to the eShop settings. Sign in to an existing account and you can scroll through Facebook, check notifications, and watch videos. Go to a profile page > User Settings > Posting to Social Media then hit the Link button. The Nintendo Switch doesn't have a web browser, but you can access Facebook through the social sign-in feature found in an individual's profile page.
Instead, it creates a new working state after a restart, and you will need to reopen the apps you want to use.User accounts are displayed as Offline if they're not signed in to an open game even if you're connected to the internet. However, the difference is that Shutdown cannot save a previous state of the system. They both completely cut off the power supply and need time for the system to restart.
Shutdown and Hibernation are very similar.