How YouTube consultants help creators engineer viral videos

With thousands of YouTube creators relying on the platform for income, many are turning to strategists as essential advisors on how to keep videos viral. Sixty-seven million people consider themselves online content creators, according to a 2025 Goldman Sachs report. That number could rise to more than 100 million by 2030, Goldman estimates. CNBC's Alex Sherman and Zach Vallese report.