The article details how TikTok creator fav_girls02 went viral by posting a back-to-school glow-up series that amassed 19 million views in 48 hours. Each post featured a consistent hook and cover image, focusing on various beauty topics while maintaining a checklist format with creator examples. To capitalize on trends, she suggests posting multiple parts quickly.

Duolingo's creative approach to social media, particularly on TikTok, leverages witty copywriting and cultural moments to engage users and drive brand visibility. The establishment of a writers' room has enabled the team to quickly develop and execute original content ideas that align with the brand's voice, resulting in significant social media growth and virality.

The article discusses the emergence and dynamics of meme companies, exploring how they capitalize on internet culture and trends to create viral content. It highlights the challenges and strategies these companies face in navigating a rapidly changing digital landscape in order to maintain relevance and profitability.