# Acknowledgements

> Acknowledgements for sources for content on this site

---

We would like to acknowledge the following sources for some of the content on
this site:

1. [APM is Dying and That's Okay - Lightstep](https://lightstep.com/blog/apm-is-dying-and-thats-okay)
2. [Alexandria Pigram](https://github.com/alexandriastech) via
   [Honeycomb](https://www.honeycomb.io/) for tracing content in
   [Traces](/docs/concepts/signals/traces/)
3. [What is OpenTelemetry - Dynatrace](https://www.dynatrace.com/news/blog/what-is-opentelemetry-2/)
4. [Understanding OpenTracing, OpenCensus, and OpenMetrics - BMC](https://web.archive.org/web/20250624231058/https://www.bmc.com/blogs/opentracing-opencensus-openmetrics/)
5. [Ask Miss O11y: Baggage in OTel - Honeycomb](https://www.honeycomb.io/blog/ask-miss-o11y-opentelemetry-baggage/)
6. [Observability Whitepaper - CNCF Tag Observability](https://github.com/cncf/tag-observability/blob/whitepaper-v1.0.0/whitepaper.md)
   for content in [Signals](/docs/concepts/signals/)