Facebook begins aiming ads at non-users

Facebook is expanding its ad network past its own borders, encompassing Internet users who don't even use the social network.
The company said it's looking to improve ads, both on and off Facebook.
One industry analyst said the move will enable Facebook to extend its reach in mobile advertising, and that should mean increased revenues for the world's largest social network.
"Digital advertising is a very big deal," said Ezra Gottheil, an analyst with Technology Business Research. "This is actua