KFC hid its secret recipe in its Twitter follow list and waited for someone to notice
KFC followed exactly 11 accounts — five Spice Girls and six guys named Herb — turning its follow list into a riddle worth 2.5 billion impressions.
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2,000 CASOS PUBLICADOS · ATUALIZADOS REGULARMENTEPilot made ink that erases by heat, turning 30 idle years of toy chemistry into 3B pens
Pilot's Frixion erases nothing: friction heat just flips its microcapsule ink to transparent, so one pen writes, erases and rewrites forever.
Ler o casoAnime's production-committee shrank risk so Japan could make hundreds of shows
Instead of one sponsor owning a show, the committee spreads cost and rights across publishers, studios, toy and TV firms — taking off with Evangelion (1995)
Ler o casoStallman used copyright law to make software stay free.
The GNU General Public License turns copyright against itself: licensees may copy and change code only if they pass the same freedom on.
Ler o casoTNT made SIM registration funny and registered 29.8 million subscribers
Facing a deadline that would deactivate unregistered SIMs, budget telco TNT ran absurd comedy films that drove 29.8 million registrations.
Ler o casoDelta scheduled pilot training with an optimizer and saved $7.5M a year
Delta turned a contract-heavy training calendar into CQOPT, cutting planning from days to hours and lowering annual costs.
Ler o casoVitaphone's discs lost to sound-on-film: the track printed on the strip won
Vitaphone synced a turntable to every projector; optical sound printed the track on the filmstrip itself — and by 1931 even Warner had switched.
Ler o casoMarko Saric's honest GDPR banner test: only 9% of 18,700 visitors consented to tracking
Plausible's founder gave visitors a legal no-dark-pattern banner and counted: 48% engaged, only 9% consented — undercutting the tracking model
Ler o caso1Bridge sold tractors by turning missed calls into village commerce
1Bridge replaced rural ecommerce browsing with a missed-call concierge, local advisors and village-level delivery.
Ler o casoViagra sold blue goods to bypass ad ban
Viagra, banned from advertising efficacy, registered its trademark on blue goods where 'long-lasting' is legal, letting color carry the message.
Ler o casoIBM's 1928 rectangular-hole card doubled data density and became computing's standard
Lake's rectangular holes packed 80 columns onto the old card; rivals stayed with round holes, and the IBM card became computing's universal medium.
Ler o casoJeep turned its grille into Morse code and ran ads with no logo or call to action
Publicis Middle East minted a font from the Jeep grille's dots and lines, so only real Jeep fans could read the ads — and they answered in kind.
Ler o casoHondaJet's engines went over the wings, and the 'laughable' jet beat its class
Fujino mounted two engines over the wing at the one spot where shock-wave drag cancels, freeing the rear fuselage and making the cabin 20% larger.
Ler o casoIndia gave the unbanked a zero-balance account — 59 crore took it
PMJDY removed the minimum balance, the paperwork and the branch visit — and built the world's largest inclusion drive: 59 crore accounts, 56% held by women.
Ler o casoICC's Incoterms gave trade shorthand the same meaning in every port
FOB and CIF meant different things in different countries, so ICC surveyed courts and published one definition in 1936; Incoterms are still used worldwide.
Ler o casoRC Cola sold 'whatever' to Gen Z with a baffling ad; sales rose 67%
When a sugar tax erased RC Cola's price edge, GIGIL mirrored Gen Z's 'basta' attitude with an inexplicable ad — 51M views and a 67% sales jump.
Ler o casoIsrael replaced its intern lottery with a match that trades placement chances
Israel's medical intern assignment now trades placement probabilities between students, giving almost everyone a better shot at their preferred hospital.
Ler o casoflynas turned the window view into a bookable seat feature using machine learning
Saudi low-cost carrier flynas predicted what each side of the plane would see and let passengers book the view, not just the seat.
Ler o casoSundback's zipper uses interlocking scoops that a slider locks together.
Gideon Sundback replaced hooks with interlocking scoops on a tape, so a slider could join and part them cleanly.
Ler o casoPepsiCo's PromoAI and PricingAI cut promo planning from weeks to minutes
PepsiCo replaced spreadsheet pricing and promotion planning with ML plus optimization; ~85% of PromoAI's calendars are executed as recommended.
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