So first of all this is not "a secret" at all and you don't need to be "special" to do it. And of course you don't get targeted personally but they do an automated/anonymous match on your search history. It's just one of many inbound HR/recruiting funnels and it was featured in an internal newsletter that went out to all of Eng some time ago. Second, they tell every applicant that openly discussing the interview proc…
>Second, they tell every applicant that openly discussing the interview process (esp blogging about it) will get you disqualified/blacklisted
...but it was on an internal newsletter, so that makes it public?