麦当劳GamiFries借Switch 2上市东风，免费3D打印薯条支架走红
菲律宾麦当劳没有花钱买Switch 2发布会的席位，而是给玩家提供一款免费的3D打印支架，能把薯条盒卡在游戏机的磁吸接口上。
阅读案例genius.wikiCASESTUDIES.CHAT 旗下档案
好问题，
有巧解。
探索打破常规的解法，理解它们为什么有效。
完整档案，尽在 App文章提供简体中文与英文版本。以下标题与正文保留原出版语言。
已发布案例
2,000 已发布案例 · 定期更新Telefunken's PAL fixed color TV's hue drift line by line and became Europe's standard
Instead of a tint knob, Walter Bruch reversed the color phase on alternate lines so errors cancel — PAL reached 100 countries while France's SECAM stayed home.
阅读案例Bell Labs' Kelly criterion turned an edge into exponential growth without the ruin
John Kelly Jr. solved how fast a gambler with an edge should bet, found the fraction that compounds without ruin, and gave Edward Thorp his sizing rule.
阅读案例四家缝纫机竞争对手合并专利，终结1850年代的专利战
1856年，胜家、惠勒与威尔逊、格鲁弗与贝克以及豪合并专利；产量激增，豪的专利费年收入高达44.4万美元。
阅读案例亚斯岛聘请瑞安·雷诺兹担任‘首席岛屿官’——这个角色本身就是营销活动
Miral给瑞安·雷诺兹一份真实的工作——首席岛屿官——并让这个荒谬的头衔来推销亚斯岛；该活动赢得了2025年中东和北非艾菲奖金奖。
阅读案例India ranked its 112 worst districts monthly — on improvement, not level
NITI Aayog published a public leaderboard of India's most backward districts, 49 KPIs scored month-on-month, and the laggards started out-improving everyone.
阅读案例India made one bank card work on every metro gate, even with no network
Transit gates cannot wait for networks, so India put the balance on the card chip: any bank's RuPay card now taps through metros, buses, tolls and parking.
阅读案例Solexa read billions of tiny DNA fragments in parallel, and Illumina bought the trick
Reversible-terminator chemistry plus clonal clusters cut the cost of one human genome from ~$10M to ~$250K in a single step; Illumina paid ~$650M for it.
阅读案例VisionSpring sold reading glasses as wage-raising tools, then RCTs proved the gains
Reading glasses cost under $1 but never reached the poor. VisionSpring sold them as productivity equipment through channels that already employ the workers.
阅读案例Chayan Yuese gave customers a lifetime free-remake right and saturated one city, not a map
While tea rivals franchised nationwide, Changsha's Chayan Yuese stayed direct-operated, dense in one city, with a lifetime free-remake right for every customer.
阅读案例两个陌生人将Hacker News评论变成Unicode 9.0的电源符号
在Hacker News上有人希望Unicode含有待机符号后，两个陌生人提交了完整的Unicode提案，并成功让四个电源符号进入Unicode 9.0
阅读案例Brazil's Arco Norte flipped grain exports north: shorten the truck, lengthen the river
As soy pushed into Mato Grosso, exporters stopped trucking grain south and built river terminals on Amazon tributaries, barging the load north to the sea.
阅读案例MISEREOR built a credit-card reader into a poster and let donors slice the bread
A German aid charity turned an airport poster into a payment terminal: swipe your card, donate €2, and watch it 'cut' a slice of bread on screen.
阅读案例A hi-fi subwoofer maker spun 64 lasers into the eyes of the self-driving car
A stereo-equipment maker spun 64 lasers into a 360° sensor streaming 1M points a second; five of six 2007 Urban Challenge finishers bought it.
阅读案例柬埔寨ACLEDA从NGO升级为银行并成为市场领导者
在IFC/UNDP支持下，该NGO按银行标准重建自身，于2000年获得专业牌照，2003年获得全能牌照，随后扩展为全国最大银行。
阅读案例USCIS made the H-1B lottery count people, not entries, and the duplicate bubble popped
FY2024's H-1B lottery drew 759,000 entries — 54% duplicates — for 188,400 spots. Since 2024 each worker is drawn once, however many entries stack behind him.
阅读案例Birla Opus将IPL对抗变成每场比赛的全新涂料色调
一个新兴涂料品牌跳过标志放置：每场IPL比赛将对手球队的颜色融合成独一无二的色调，使赞助成为产品演示。
阅读案例阿姆斯特丹用策略-proof匹配取代了可操纵的学校抽签
阿姆斯特丹2015年的延迟接受匹配让诚实排名变得安全；研究发现它提高了福利，并最有利于弱势家庭。
阅读案例闲鱼让陌生人变成邻居——阿里巴巴的担保交易加社区二手市场
闲鱼在二手C2C上叠加担保交易、"鱼塘"社区和评价体系，把陌生人变成邻居——两年用户过亿，2024年达5亿。
阅读案例Robert Xiao 发现 LocationSmart 的演示能追踪任何美国手机，并在一天内修复
向 LocationSmart 的演示 API 请求 JSON 而非 XML，跳过了同意检查——两次 POST 就揭示了任何美国手机的实时位置。
阅读案例