Dive summary: 

• "Emerging Talent Tracker," a new tool developed Publicis Groupe's Digitas and startup Outrigger Media, works with data to identify YouTube stars who have not become stars yet, but show promise.
• The OpenSlate analytics platform from Outrigger tracks 50,000 channels and 25 million videos on YouTube and assigns them a score based on their engagement with their audience, how frequently they produce new content and their influence.
• Locking in a rising star early on can provide significantly earned media value and developed credibility with a specific audience. 

From the article: 

"One example unveiled today at Digitas' NewFront: BeautyBitten, 20-something fashion blogger Anne Di from Los Angeles, whose 50,000 views a month and 16,000 subscribers barely qualify her for YouTube 'star' status, but her videos are well-produced and brand-friendly. Most importantly she's got upside; a long way to go to get to Michelle Phan, who has 3.7 million subscribers."