Newsletter growth strategies are ephemeral, as platform algorithms and user behaviors change rapidly. Matt McGarry's journey from 0 to 50k subscribers involved cycling through Twitter, paid ads, LinkedIn, and YouTube as primary channels, highlighting the need for continuous experimentation.

To survive platform shifts, creators need a dual strategy. First, aggressively grow their brand on today's dominant platforms to build leverage. Second, actively experiment with and learn emerging technologies to be ready for the transition, avoiding the fate of MySpace stars who missed Facebook.

The traditional B2B marketing mix of SEO, paid search, and content is no longer sufficient. Modern growth relies on activating word-of-mouth through a superior product, leveraging founder social presence for authenticity, and investing heavily in the creator economy (especially YouTube) to reach engaged B2B audiences.

Roka News diversified beyond its initial Instagram success into a five-pillar business: Instagram, free/paid newsletters, a subscription app, and YouTube. Content is repurposed and shared across these platforms, allowing them to reach different audience preferences and create multiple revenue streams.

Instead of testing every possible marketing channel, successful companies find one or two that produce power-law outcomes. This requires identifying your product's inherent advantages for distribution (e.g., social shareability for a consumer app) and doubling down there first.

Acknowledging that traditional traffic from search and social is disappearing, Broke Ass Stuart is heavily investing in TikTok and Reels. They find video is the only platform providing consistent audience growth, making it an essential pivot for survival in the face of the 'dying open web.'

Podcasting's effectiveness for discoverability has diminished. While it excels at nurturing existing audiences, platforms like YouTube, which are built for search, are now essential for attracting new followers. The primary growth engine for content creators has moved to video.

When facing multiple promising growth opportunities, founders should avoid pursuing them all at once. Instead, sequence them by designating one channel as the primary "engine" for the next 6-18 months, treating others as mere proof points to maintain focus.

The common advice to chop up a single video or blog post for every social platform is a myth. Each platform's algorithm and audience expectations demand native content. True growth comes from mastering one or two channels with tailored content, not from thinly spreading repurposed material across many.