Product Data Lake is a cloud service for exchanging product information between manufacturers, distributors and merchants. When telling about the service I usually concentrate on the business benefits and how the service will make you sell more and reduce costs.
However, there will always be one or two persons in the audience who wants to know about the technology behind. And for sure, this is important too.
The service is built using some of the newest and best-of-breed technologies available for this purpose today. This includes Amazon Elastic Computing Cloud for hosting the public cloud version, MongoDB for storing data, RabbitMQ for handling data streams and ElasticSearch for finding data.
You can dive into the geeky parts in this PDF document: Product Data Lake Architecture.