A new messaging system could steal advertising dollars from Facebook’s rivals.
On Monday morning in San Francisco, Facebook CEO Mark Zuckerberg unveiled what may be the company’s most ambitious technical project yet: An integration of Facebook’s internal messaging system with its users’ personal e-mail accounts. Facebook customers will now be able to get an e-mail address of the form “paulboutin@facebook.com,” but the system will also work with whatever e-mail service they already use.