Facebook Login Friends Search
For those who do not know about the reverse email lookup-- I'll wager there will be couple of- It's an email-based search performance that lets users to search for other Facebook user based on their email address.
Using this function is dead simple. Simply paste the email address of the a stranger or unidentified e-mail sender into the Facebook search box and an auto-suggest fall will let you understand if a coordinating profile exists in the social network.
Upside.
A major benefit of this feature is that it provides a method for verifying unknown email addresses and help you to find an individual in seconds.
Downside.
A major blunder of this feature is that spammers can quickly map collected e-mail accounts to user profiles, and use the publicly offered information to craft very persuading customized emails (for phishing). Facebook Login Friends Search So, if you are on Facebook, prevent sharing your email address with strangers on forums and chatroom.