Apple is aware of rare circumstances where the built-in keyboard and Multi-Touch trackpad may become unresponsive on 13-inch MacBook Pro with Retina display (Late 2013) computers.
As part of upgrading to OS X Mavericks, you may be prompted to create a new user account after your Mac restarts. When you log into the new user account you created, you no longer see files or folders you saw in your home folder before upgrading.