Privacy policy

I take your privacy as seriously as I take my own. This page is to inform you as to how collects and uses personal information.

  • This site uses WordPress blogging software, which can log information about your IP address. I use this data for debugging and spam identification purposes. I do not share this data with any third party.
  • When you post a comment on this site or create a user account, WordPress logs your email address. I do not share your email address with any third party.
  • I might use Google, WordPress or Amazon’s analytic tools or other similar tools to log information about what pages are being hit most often, where traffic is coming from, and so on, so as to help me understand my audience better. I do not share this analysis with any third party. Ask Google, WordPress or Amazon if you want to know how they use their analytics data.
  • This site is hosted by’s hosting service; they might be logging your IP address for their own purposes; I wouldn’t know. Ask if you want to know what information they collect and share when you visit a site hosted by them.
  • This site uses “cookies” — small data files stored locally on your computer — to save information about your preferences when using this site.
  • I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to When you use a link from this site to, say, buy a programming book that I recommend, I collect a small portion of the proceeds from all your Amazon purchases that day. I will not share any information that I gain from this advertising program with any third party; if you want to know what Amazon does with their masses of data about you then you should ask them.
  • I might choose to use third party advertisement services such as Google AdSense, WordPress WordAds, and so on, to help defray costs. The ad-serving services or their advertisers might use cookies to collect information about you, and to use that information to determine what advertisements to serve up to you based upon prior visits to this site and other sites. In particular, AdSense uses the “DoubleClick” cookie, which you can read more about here. You can opt out of this behaviour by using the ads preference manager. See also for more information.
  • You can choose to disable this site’s cookies or a third party advertiser’s cookies by changing your browser settings. Doing so might affect your ability to use all features of this site; to post comments, for example. Note that “disabling” cookies and “deleting” cookies are completely different operations.

If you have questions or comments about this policy document, feel free to email me; contact information is on the “About Eric Lippert” page.

This notice was last updated in April of 2014.

2 thoughts on “Privacy policy

  1. > I do not share your email address with any third party.

    That’s a bit misleading considering you do publish the md5 hash of the email address. You might want to update that part to clearly state that hashed emails are published.

    It’s often possible to recover an email address from that, by guessing enough plausible email addresses. For example I managed to guess 27k email addresses of stackoverflow users.

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