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In this tutorial, the creator demonstrates how to add login, logout, and email confirmation functions to a Ruby on Rails application using RubyMine as an IDE. They are using Rails version 6.0.3.2, the Device gem, and a Gmail account for email confirmation. The tutorial involves creating the Rails application, adding the Device gem to the Gemfile, generating the Device, and configuring Action Mailer in the development environment file. These steps enable the application to send emails for confirmation.