Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
Mailchimp is a marketing automation platform and email marketing service.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
Open Graph is a protocol that is used to integrate any web page into the social graph.