Apache is a free and open-source cross-platform web server software.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Microsoft Advertising is an online advertising platform developed by Microsoft.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Taboola is a content discovery & native advertising platform for publishers and advertisers.
Unix is a family of multitasking, multiuser computer operating systems.