It's incredible how much information some people express through their email address. Patterns like: "[firstname].[lastname].[year of birth]@gmail.com" are st

It's incredible how much information some people express through their email address. Patterns like: "[firstname].[lastname].[year of birth]@gmail.com" are still surprisingly common and indicate race, gender and age. These persistent addresses can also be cross referenced to various leaked datasets to get everything from phone numbers to dietary habits.