Facebook will unveil a new advertising platform to improve effectiveness of online ads, the Wall Street Journal reported on Monday. The platform is a redesigned version of Atlas Advertiser Suite, an ad management and measurement platform that Facebook bought from Microsoft last year.It willbe designed to help marketers target Facebook users more effectively by measuring which users have seen, interacted or acted upon ads that appear on Facebook's services and on third-party websites and apps.

The product will also provide a tool for marketers to buy ads to target Facebook users across the Web, according to the report.