I've finished off my blog post series on #OpenTelemetry with #dotnet, on the #TelstraPurple blog, and how OTel is now built into the core of .NET. It includes a brief nod to Azure #iot Hub now having built in support for Trace Context.
Here is part 2 - https://purple.telstra.com/blog/instrumenting--net-with-opentelemetry
The full code is also up on Github: https://github.com/sgryphon/dotnet-distributed-tracing-examples