Github (and Bitbucket as well) expose the vast majority of their users’ email addresses via commit metadata . As a proof-of-concept, I made a single page app using Angular + the Github API to demonstrate how browse-able/scrape-able this contact information is. Live demo here. You can check if your Github username is affected here . You can read about how to hide your email address here . If you’r
![github-email-thief | — github-email-thief](https://cdn-ak-scissors.b.st-hatena.com/image/square/ee05f80629b842f77340b4799845599002b2a117/height=288;version=1;width=512/http%3A%2F%2Fassets.tumblr.com%2Fimages%2Fog%2Ftext_200.png)