Add privacy policy.

Technotes/privacypolicy.markdown

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+@template nnw_page.html
+@title Privacy Policy
+
+This policy describes the information Ranchero Software and Brent Simmons may receive from NetNewsWire users and how that information is handled.
+
+There are two things we do:
+
+* We gather crash logs from NetNewsWire users who opt in.
+* We log traffic to our website, which we view in aggregate.
+
+In other words, we don’t want any private information — except that we want to be able to identify and fix crashing bugs, and we like to know things like how many times the app has been downloaded.
+
+Details on these, and other privacy topics, are below.
+
+## Crash Logs
+
+If you opt in to sending crash logs, we will have a copy of your crash logs.
+
+* If you’re using an App Store version of the app, and you opt in with Apple, then Apple has a copy and we have a copy.
+* If you’re using a version downloaded directly from us, and you opt in, then it’s just us.
+
+When NetNewsWire sends a crash log directly to us, it sends only the text of the crash log. No additional information, such as email address, is sent (though our website logging system — see below — will record some information, including time and IP address).
+
+Crash logs are stored privately and are kept confidential.
+
+However, we may make significant parts of a crash log available publicly when there‘s no personal identification in that part of the crash log. For example, we might share something like this:
+
+	Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
+	0   libsystem_secinit.dylib       	0x00007fff6c06689f _libsecinit_setup_secinitd_client + 1393
+	1   libsystem_secinit.dylib       	0x00007fff6c0662cd _libsecinit_initialize_once + 13
+	2   libdispatch.dylib             	0x00007fff6be17dcf _dispatch_client_callout + 8
+	3   libdispatch.dylib             	0x00007fff6be19515 _dispatch_once_callout + 20
+	4   libsystem_secinit.dylib       	0x00007fff6c0662be _libsecinit_initializer + 79
+	5   libSystem.B.dylib             	0x00007fff692639d4 libSystem_initializer + 136
+
+This is entirely for the purpose of fixing crashing bugs.
+
+## Website Logging
+
+Visits to our website — including downloads of the app and of our RSS feeds (including the app-update feed) — are logged via a standard logging mechanism, and this includes IP addresses.
+
+Our website logs are confidential and stored privately.
+
+We look at the logs in aggregate — for instance, to find how many times NetNewsWire was downloaded on a given day.
+
+## Other topics
+
+### Cookies, JavaScript, Ads
+
+Neither ranchero.com nor inessential.com use any cookies or JavaScript, and they do not display any ads.
+
+### Related sites
+
+The [NetNewsWire GitHub repository](https://github.com/brentsimmons/NetNewsWire) does use cookies and JavaScript, because that’s how GitHub works. The repository, including the issue tracker and anything you post there, is public. See [GitHub’s privacy policy](link_tbd) for more information.
+
+The NetNewsWire Slack group also uses cookies and JavaScript, because that’s how Slack works. The group is public: anyone may join. See [Slack’s privacy policy](link_tbd) for more info.
+
+Posting to the GitHub repository and joining the Slack group are optional, opt-in activities.
+
+### Content in NetNewsWire
+
+NetNewsWire displays HTML that comes from feeds from other sites. Some of these sites may do some kind of analytics so that, for instance, they can count how many times a given article in an RSS feed has been read. Refer to the privacy policies of the individual sites for more information.
+
+## Questions or comments
+
+If you have questions or comments about this privacy policy, please contact <a href="mailto:brent@ranchero.com">brent@ranchero.com</a>.
+
+This [policy](link_td) is stored in the NetNewsWire GitHub repository, where you can track any changes we might make.