AddToAny is a universal sharing platform that can be integrated into a website by use of a web widget or plugin.
Drupal Multisite enables separate, independent sites to be served from a single codebase.
Drupal is a free and open-source web content management framework.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Smart Ad Server is an adserving and RTB platform.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.