Duolingo avoids a one-size-fits-all video strategy. They use TikTok for capitalizing on trends due to its virality mechanics. YouTube Shorts, which favors original content, is used for building out the mascot's lore. Instagram serves as an informational hub and a home for 'millennial-core' content.

While TikTok excels at creating one-off viral moments, it fails to provide tools for building a sustainable audience and business. Serious creators increasingly use the platform as a launchpad for initial exposure before migrating their audience to platforms like YouTube, which offer superior community-building and monetization features.

Due to the "TikTokification" of platforms, algorithms now favor a single piece of content's potential to engage anyone, regardless of who created it. This means sticking to a strict niche is no longer required for high views and reach, though it remains important for gaining followers.

TikTok creators are visual learners who consume video content, not long documents. Instead of providing a detailed written brief, brands see better results by sending 3 examples of high-performing videos. This gives creators inspiration and direction without stifling their unique style.

The algorithmic shift on platforms like Instagram, YouTube, and Facebook towards short-form video has leveled the playing field. New creators can gain massive reach with a single viral video, an opportunity not seen in over a decade, akin to the early days of Facebook.

Despite massive reach on Instagram and TikTok, audiences from long-form YouTube are far more invested and trusting. This is proven by real-world fan encounters, where 95% of people who recognize the creator know her from YouTube, demonstrating the platform's superior ability to build a dedicated community.

TikTok's key metric, "play duration," is a combination of watch time and finish rate. This means a 60-second video watched to completion is more valuable to the algorithm than a 5-minute video that viewers abandon halfway through. Aim for high completion percentages, not just length.

Unlike the ephemeral nature of TikTok and Instagram Reels, YouTube Shorts have a longer shelf life. By titling videos with search terms, creators can tap into YouTube's function as the world's second-largest search engine, generating views long after being posted.

Content under 60 seconds or over 22 minutes is succeeding because it minimizes mental effort. Viewers can either endlessly scroll short clips or commit to a single long program, making 5-10 minute videos less appealing as they require repeated choices.