This whitepaper is for historical reference only. Some content might be outdated and some links might not be available.

# Document History and Contributors
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## Document History
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| Change | Description | Date | 
| --- |--- |--- |
| [Whitepaper updated](#document-revisions) | Updated for Named Shadows, Sample diagrams and examples | December 8, 2021 | 
| [Minor updates](#document-revisions) | Adjusted page layout | April 30, 2021 | 
| [Whitepaper updated](#document-revisions) | Updated for Basic Ingest. | May 1, 2019 | 
| [Initial publication](#document-revisions) | Whitepaper first published. | October 1, 2018 | 

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## Contributors
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 The following individuals and organizations contributed to this document: 
+  Olawale Oladehin, Solutions Architect, AWS IoT 
+  Steve Krems, Solutions Architect, AWS IoT