Google 's Gmail has turned online e - mail ##s into a profitable business . However , many of the details about how exactly Google 's program works have been kept confidential . The company scans e - mails and uses them for targeted ads and user profiles . Many users do n't realize how much their personal information is worth . Google has been the target of multiple privacy lawsuits .
Google 's Gmail has turned online e - mail ##s into a profitable business . The company scans e - mails and uses them for targeted ads and user profiles . Many users do n't realize how much their personal information is worth . Google has been the target of multiple privacy lawsuits .