Twitter is testing a new Ad Carousel that allows companies to group and showcase user tweets

Twitter first hinted at its new ad unit idea during CES 2016, but didn't really go into too much detail. Now, a few months later, it seems the social giant is already putting the finishing touches on what it officially calls Promoted Tweet Carousel, as the feature has already been spotted by users in the wild. The way the new ad works is quite clever and ties in well with the core trend-oriented model of Twitter itself. It allows advertisers to group various tweets into a single swipeable unit and promote it as an advertisement. The real trick, however, is that these tweets can come form...