Flipboard launches native ad tool like Instagram's carousel 
Flipboard is launching Promoted Roundup, a native advertising tool that allows users to read editorial content and scroll horizontally through other items in a carousel at the bottom of the screen at the same time. Sony, Sephora and eBay are among the first brands to use the service, which Flipboard CEO Mike McCue has called an "edge-to-edge immersive experience". Promoted Roundup follows Flipboard's previous offerings including Storyboard, Promoted Story and Promoted Collection.

Flipboard has launched another native ad unit that lets brands promote multiple pieces of branded content or traditional advertising simultaneously in a carousel.

The format, which the mobile magazine is calling "Promoted Roundup," shows a main image that when clicked brings up a full story similar to editorial content on Flipboard. Beneath it will be several stories that users can scroll through horizontally to see if anything is worth reading.

For the launch, Sony is buying the Promoted Roundup ads to promote Alpha