GitHub tracks you by email(figuiere.net)
figuiere.net
GitHub tracks you by email
http://www.figuiere.net/hub/blog/?2014/07/11/850-github-tracks-you-by-email
1 comments
Using Gmail? This is a non-problem for you because google proxies all images through gmail's servers[1], hiding your ip and schedule from any email senders that add the tracking image.