https://tutorialzine.com/2015/01/shoutbox-php-jquery
https://www.sanwebe.com/2013/04/creating-shout-box-facebook-style
https://github.com/usamaejaz/my_shoutbox
https://github.com/martinkirch/happyoneliner
http://phpform.net/shoutbox.php
origin - http://www.pipiscrew.com/?p=8438 making-a-shoutbox