Darren Chow

MB Creation

If you want to promote your brand new newsletter functionnality, display advertising on your homepage or get more Facebook fans you can use Simple Popup Manager to “popup” a message all over your content in a lovely “lightbox effect”. You can customize your message using a WP editor and of course specify the width and the height of the message box. You can limit the display off the message on either session or days basis.
For more information, please visit <a href="http://www.darrenchow.com/plugins/ez-popup-manager" title="EZ Popup Manager" rel="nofollow ugc">EZ Popup Manager Plugin Site</a>

EZ Popup Manager

EZ Popup Manager allows you to easily display a simple message box on your WordPress front page.

Jenst

Cookie Message plugin will on activation add a message at the bottom of your screen.
When clicking the button it will disapear. How long is for you to decide but default is forever. It will remember it by HTML5 localstorage, not by a cookie.
You have settings for information that goes into the message, colors, fonts and you can disable CSS and javascript if you need to. See screenshots for more information about the settings.

Cookie Message

EU cookie law message at the bottom of the screen.

EZ Popup Manager vs Cookie Message