Privacy Policy Notice

Privacy Policy Notice for, and related pages
such as, Rocket Mass Heater Builder's Guide Kickstarter

We are learning how to use online tracking tools for business. 
This website and third parties (Google Analytics, Facebook, etc) may use cookies, web beacons, and similar technologies to track visitor data, and in some cases to target ads.
You can opt out of the collection and use of information for ad targeting, for example by visiting
We don't really know what we plan to do with this data, besides learning how to track data.
This tracked data is designed not to be personally identifiable, for what that's worth. 
If you purchase items from us, we may add your email address to our mailing list, but we will never sell your address to anyone else.

If you have cookies disabled, we probably won't be able to do the tracking thing very accurately.  So if you want us to know where you're from, you might leave a comment somewhere. is a good place to read more about us (and leave comments, if you feel like going public with your connection to us or our work).

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