Twitter is said to be readying an ad exchange that would let marketers target ads directly at users who have visited their Web sites.
According to AdAge, Twitter is hoping to challenge Facebook's own so-called re-targeting exchange, otherwise known as FBX. AdAge cited sources familiar with the project.
Since at least late last year, the company has met with several FBX partners who are well-versed in locating on Facebook people who had previously visited a brand's site and retargeting them with non-standard display ads on the social network, in hopes of luring them back to the brand site. … Read more