Apache is a free and open-source cross-platform web server software.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Mod_perl is an optional module for the Apache HTTP server. It embeds a Perl interpreter into the Apache server. In addition to allowing Apache modules to be written in the Perl programming language, it allows the Apache web server to be dynamically configured by Perl programs.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.
Unix is a family of multitasking, multiuser computer operating systems.