Vrbo is an American vacation rental online marketplace originally known as Vacation Rentals by Owner or VRBO. It was acquired by HomeAway in 2006. Expedia Group acquired HomeAway in December 2015. In March 2019, VRBO was re-branded Vrbo, including a new logo, capitalization, and pronunciation. In July 2020, the HomeAway and Vrbo websites became a single Vrbo website

Apache Kafka is a distributed event store and stream-processing platform. It is an open-source system developed by the Apache Software Foundation written in Java and Scala. The project aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds. Kafka can connect to external systems (for data import/export) via Kafka Connect, and provides the Kafka Streams libraries for stream processing applications.