Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.
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.
Amplitude is a web and mobile analytics solution with cross-platform user journey tracking, user behavior analysis and segmentation capabilities.
Open Graph is a protocol that is used to integrate any web page into the social graph.