Google Analytics 4 is the new version of Google Analytics by Google. Previously known as Google Analytics Universal, since 2020 Google is now recommending Google Analytics 4 as the defacto solution for website analytics.

Pub/Sub allows services to communicate asynchronously, with latencies on the order of 100 milliseconds. Pub/Sub is used for streaming analytics and data integration pipelines to ingest and distribute data. It's equally effective as a messaging-oriented middleware for service integration or as a queue to parallelize tasks.