After turning off paid marketing, Zipline's growth continued to accelerate. The CEO discovered that the spectacle of a robot delivering items to a home is inherently shareable content, with customers' viral TikTok videos becoming its most effective and free marketing channel.

A single viral video on TikTok, without any paid media support, can generate enough consumer demand to sell out a CPG product nationwide. This proves organic creative now holds more direct sales power than massive, traditional campaigns.

iRobot created the robot vacuum category but went bankrupt after losing to cheaper Chinese knockoffs. This suggests that for automated products that operate 'out of sight' (like a Roomba cleaning while you're away), brand loyalty erodes because consumers prioritize the functional outcome over the product's identity.

Instead of a single national campaign, Pepsi armed its local bottlers with camcorders to run the "Pepsi Challenge" in their own communities. Using local TV spots with real people, they created an authentic, grassroots movement that a centralized giant like Coca-Cola was ill-equipped to counter.

While focused on military and industrial contracts, iRobot's founders were constantly asked by the public, "When are you going to clean my floor?" This unsolicited, persistent feedback served as a powerful market signal that eventually convinced them to build the Roomba, despite their initial skepticism.

Instead of using social media insights to create a new, expensive TV commercial, simply repurpose the raw, organically successful video and run it as the ad, complete with phone-native formatting.

Legacy beer brand Heineken quickly launched a responsive ad campaign directly trolling the viral "Friend" billboards. This "meme-jacking" allows them to tap into a current cultural conversation, generating significant attention and signaling they are culturally aware, likely at a high ROI.

Instead of a standalone ad, Elf Beauty and Duolingo collaborated on a commercial that tapped into the hype around Bad Bunny's performance. This allowed them to split costs, target a similar demographic, and capitalize on a massive, pre-existing cultural conversation.

KFC's pickle jacket originated from a failed, non-viral TikTok video. This shows that the most potent marketing ideas aren't always existing trends but can be obscure concepts "foraged" from user-generated content and then amplified by the brand into a viral campaign.