BackWPup is a free backup plugin for WordPress. It is very intuitive to use and is very powerful. This free plugin in combination with your free DropBox account completely backs up your site for restore in an emergency.
Chrome Remote Desktop BETA is the first installment on a capability allowing users to remotely access another computer through the Chrome browser or a Chromebook. The goal of this beta release is to demonstrate the core Chrome Remoting technology and get feedback from users.
Jetpack is a WordPress plugin the adds many of the great features in WordPress.com to your WordPress.org site…
Although there maybe some plugins installed in WordPress.com this video is only about plugins you install on a WordPress.org site. You cannot install plugin on WordPress.com.