[tesseractive]

According to the article, she did this because she was being anonymously, publicly slandered on Secret.

[klodolph]

Libel, not slander.

[testrun]

how did she find out?

[vellum]

Maybe she was using the app. Once Secret has access to your contacts, it shows you what's been posted by your friends and friends of friends. So she would have seen what almost everyone at Github was posting.

[greenrd]

Does it matter? Secret is quite popular in the Valley and among women in particular (right?) so it's not implausible that she had an account herself.