Sibin Grasic

Responsive Videos plugin will allow you to automatically resize and scale your embedded videos on mobile devices. 
CSS selector option is provided so you can target only your post / page content container.
Features
<ul>
<li>Automatic configuration option</li>
<li>Automatically resizes / scales all your embedded videos</li>
<li>Works on all browsers</li>
<li>Highly compatible – you can change the css selector for the text highlight</li>
<li>Customizable – you can select the page type on which to activate the fitVids script</li>
</ul>

Responsive videos – Fitvids

Nice one

Good

Make your Embedded videos responsive on mobile devices with jQuery FitVids plugin

Based on the Restrict Categories plugin, Restrict User Taxonomies will allow you to easily restrict post editing, viewing and adding based on selected taxonomy terms.
Features
<ul>
<li>Hide posts for users in specific taxonomies</li>
<li>Prevent users to add posts in unwanted categories</li>
<li>Works on ALL custom taxonomies</li>
<li>Compatible with older versions of WordPress</li>
<li>Lightweight – Plugin only loads functionalities in admin area</li>
<li>Easy to use – Simple search interface for terms</li>
<li>WPML Compatible – You only need to restrict taxonomies on your base language</li>
</ul>

Restrict User Taxonomies

Very useful plugin

Limit which posts your users can edit or view in the admin screen.

Responsive videos – Fitvids vs Restrict User Taxonomies