Here are some articles I’ve written related to it:
https://snowflakesolutions.net/the-power-of-instantaneous-data-sharing/
https://www.linkedin.com/pulse/data-sharing-2020-frank-bell/

We are interviewing other Community Members to get their take on Data Sharing, Data Exchanges, and the overall Data Marketplace.  If you have any feedback on it feel free to reach out to us.

Here is Snowflake’s documentation on the Data Marketplace.https://docs.snowflake.com/en/user-guide/data-marketplace.html
If you are a Data Provider there is a reasonable amount to think about before deploying your solution.  You need to think through Data Replication and what Clouds and Regions you want to deploy your Data Shares on.