Instagram on Wednesday announced that businesses will be able to place immersive, full-screen video ads in its Stories feature, which has attracted 150 million daily users since its launch five months ago. Further, Instagram Business Tools will include insights on stories, which will allow business users to view the reach, impressions, replies and exits for each individual story. One in five stories generates a direct message from viewers, and 70 percent of Instagram users currently follow a business, according to the company.