--- title: "Meaning & Key Takeaway of: One of the things we did at PayPal was…" description: "\"One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict..." image: "https://sms4smile.com/quotes/i/55e/max-levchin-18118_accuracy_one-of-the-things-we-did-at-paypal-was-c_1786712.jpg" --- # One of the things we did at PayPal was collaborative… ![“One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict when people would try to cheat the system to get money. But you can predict pretty much any behavior with a certain amount of accuracy.” quote by Max Levchin](https://sms4smile.com/quotes/i/55e/max-levchin-18118_accuracy_one-of-the-things-we-did-at-paypal-was-c_1786712.jpg) [Download](https://sms4smile.com/quotes/i/55e/max-levchin-18118_accuracy_one-of-the-things-we-did-at-paypal-was-c_1786712.jpg) [Open image](https://sms4smile.com/quotes/i/55e/max-levchin-18118_accuracy_one-of-the-things-we-did-at-paypal-was-c_1786712.jpg) > “One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict when people would try to cheat the system to get money. But you can predict pretty much any behavior with a certain amount of accuracy.” [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Predictive models can anticipate human actions, including fraud, by analyzing behavior patterns. **In simple terms:** You can forecast behavior using data. Key Takeaway Leverage data to anticipate and prevent misuse. Themes technology behavior prediction fraud machine learning Mood analytical cautious Type insightful pragmatic When to use this quote - online payments - security monitoring - customer behavior analysis Key Concepts collaborative filtering pattern recognition risk management Questions to Reflect On - How do you balance prediction accuracy with privacy? - What ethical safeguards are needed? A Different Perspective Predictions are limited by data quality and privacy concerns. ★ ★ ★ ★ ★ No ratings yet [Accuracy](https://sms4smile.com/quotes/about/accuracy/) [Amount](https://sms4smile.com/quotes/about/amount/) [Any](https://sms4smile.com/quotes/about/any/) [Behavior](https://sms4smile.com/quotes/about/behavior/) [Certain](https://sms4smile.com/quotes/about/certain/) [Cheat](https://sms4smile.com/quotes/about/cheat/) [Cheat Money](https://sms4smile.com/quotes/about/cheat-money-1909450/) [Collaborative](https://sms4smile.com/quotes/about/collaborative/) [Computers](https://sms4smile.com/quotes/about/computers/) [Did](https://sms4smile.com/quotes/about/did/) [Filtering](https://sms4smile.com/quotes/about/filtering/) [Get](https://sms4smile.com/quotes/about/get/) [Habits](https://sms4smile.com/quotes/about/habits/) [Human](https://sms4smile.com/quotes/about/human/) [Human behavior](https://sms4smile.com/quotes/about/human-behavior/) [Learning](https://sms4smile.com/quotes/about/learning/) [Looking](https://sms4smile.com/quotes/about/looking/) [Machine](https://sms4smile.com/quotes/about/machine/) [Money](https://sms4smile.com/quotes/about/money/) [Money Predict](https://sms4smile.com/quotes/about/money-predict-1909449/) [Much](https://sms4smile.com/quotes/about/much/) [Patterns](https://sms4smile.com/quotes/about/patterns/) [Payment](https://sms4smile.com/quotes/about/payment/) [Paypal Collaborative](https://sms4smile.com/quotes/about/paypal-collaborative-1909448/) [People](https://sms4smile.com/quotes/about/people/) [Predict](https://sms4smile.com/quotes/about/predict/) [Predict People](https://sms4smile.com/quotes/about/predict-people-1066108/) [Pretty](https://sms4smile.com/quotes/about/pretty/) [System](https://sms4smile.com/quotes/about/system/) [Things](https://sms4smile.com/quotes/about/things/) [Try](https://sms4smile.com/quotes/about/try/) [Used](https://sms4smile.com/quotes/about/used/) [Used Predict](https://sms4smile.com/quotes/about/used-predict-1909451/) [Would](https://sms4smile.com/quotes/about/would/) [You](https://sms4smile.com/quotes/about/you/) ## Related quotes > [People are building apps that are doing super-crazy things, and there's a lot of talk about modeling and microtargeting. Facebook can predict when people…](https://sms4smile.com/quotes/harper-reed/people-are-building-apps-that-are-doing-super-crazy-things-and-there/) [Harper Reed](https://sms4smile.com/quotes/author/harper-reed/) > [It's very hard to predict what people are thinking.](https://sms4smile.com/quotes/rob-brown/it-s-very-hard-to-predict-what-people-are-thinking/) [Rob Brown](https://sms4smile.com/quotes/author/rob-brown/) > [You can never really predict how people are going to react, what they're going to think about, whether they care.](https://sms4smile.com/quotes/robert-barry/you-can-never-really-predict-how-people-are-going-to-react-what-they/) [Robert Barry](https://sms4smile.com/quotes/author/robert-barry/) > [The idea of trying to predict what people will or won't respond to is risky.](https://sms4smile.com/quotes/james-vincent-mcmorrow/the-idea-of-trying-to-predict-what-people-will-or-won-t-respond-to-is/) [James Vincent McMorrow](https://sms4smile.com/quotes/author/james-vincent-mcmorrow/) > [You can't predict what people are going to like. You have to stay true to your enthusiasm and obsessions.](https://sms4smile.com/quotes/samuel-ervin-beam/you-can-t-predict-what-people-are-going-to-like-you-have-to-stay-true/) [Samuel Ervin Beam](https://sms4smile.com/quotes/author/samuel-ervin-beam/) > [You can't predict it all. People will tell you to plan things out as best you can. They will tell you to focus. They…](https://sms4smile.com/quotes/elizabeth-warren/you-can-t-predict-it-all-people-will-tell-you-to-plan-things-out-as/) [Elizabeth Warren](https://sms4smile.com/quotes/author/elizabeth-warren/) > [You can't predict what's gonna happen, you can't predict if people are going to participate, you can't predict if there'll be interference.](https://sms4smile.com/quotes/pedro-pascal/you-can-t-predict-what-s-gonna-happen-you-can-t-predict-if-people-are/) [Pedro Pascal](https://sms4smile.com/quotes/author/pedro-pascal/) > [“With enough information, it is almost impossible "not" to predict people's action.”](https://sms4smile.com/quotes/idries-shah/with-enough-information-it-is-almost-impossible-not-to-predict-people/) [Idries Shah](https://sms4smile.com/quotes/author/idries-shah/) > [Once we start believing that the apocalypse is coming, the amygdala goes on high alert, filtering out most anything that says otherwise.](https://sms4smile.com/quotes/peter-diamandis/once-we-start-believing-that-the-apocalypse-is-coming-the-amygdala/) [Peter Diamandis](https://sms4smile.com/quotes/author/peter-diamandis/) > [There are so many bands that I'm kind of aware of through media about them, and it ends up filtering my experience of the…](https://sms4smile.com/quotes/win-butler/there-are-so-many-bands-that-i-m-kind-of-aware-of-through-media-about/) [Win Butler](https://sms4smile.com/quotes/author/win-butler/) > [The wider world is a click away, but whether we mean to or not, we're usually filtering it out.](https://sms4smile.com/quotes/ethan-zuckerman/the-wider-world-is-a-click-away-but-whether-we-mean-to-or-not-we-re/) [Ethan Zuckerman](https://sms4smile.com/quotes/author/ethan-zuckerman/) > [“In the Information Age, the first step to sanity is FILTERING. Filter the information: extract for knowledge. Filter first for substance. Filter second for…](https://sms4smile.com/quotes/marc-stiegler/in-the-information-age-the-first-step-to-sanity-is-filtering-filter/) [Marc Stiegler](https://sms4smile.com/quotes/author/marc-stiegler/) > [I got into the habit of filtering out all the good in my life, focusing on only the negative. I'm not sure why I…](https://sms4smile.com/quotes/laura-mvula/i-got-into-the-habit-of-filtering-out-all-the-good-in-my-life/) [Laura Mvula](https://sms4smile.com/quotes/author/laura-mvula/) > [Filtering can be a very good thing when it comes to human relationships and familial harmony. Yeah, filtering is often an absolute necessity.](https://sms4smile.com/quotes/lynn-coady/filtering-can-be-a-very-good-thing-when-it-comes-to-human/) [Lynn Coady](https://sms4smile.com/quotes/author/lynn-coady/) > [“Our brains tread a tightrope between learning too much from the past and incorporating too much new information from the present. The ability to…](https://sms4smile.com/quotes/eli-pariser/our-brains-tread-a-tightrope-between-learning-too-much-from-the-past/) [Eli Pariser](https://sms4smile.com/quotes/author/eli-pariser/) ## More by Max Levchin > [The very first company I started failed with a great bang. The second one failed a little bit less, but still failed. The third…](https://sms4smile.com/quotes/max-levchin/the-very-first-company-i-started-failed-with-a-great-bang-the-second/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [Being an entrepreneur is not about being in love with an idea, it's about being in love with running a company.](https://sms4smile.com/quotes/max-levchin/being-an-entrepreneur-is-not-about-being-in-love-with-an-idea-it-s/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [You can have successful teams where people hate but deeply respect each other; the opposite (love but not respect among team members) is a…](https://sms4smile.com/quotes/max-levchin/you-can-have-successful-teams-where-people-hate-but-deeply-respect/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [Mobile is the perfect example of what is enabling economic growth in the technology sector.](https://sms4smile.com/quotes/max-levchin/mobile-is-the-perfect-example-of-what-is-enabling-economic-growth-in/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [Having a highly homogeneous background, education, values, preferences, etc, in the very early team is better than not - cuts down on time-wasting arguments.](https://sms4smile.com/quotes/max-levchin/having-a-highly-homogeneous-background-education-values-preferences/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [You're going to pull out your phone and try to use whatever is the most appropriate app on your iPhone or your Android device.…](https://sms4smile.com/quotes/max-levchin/you-re-going-to-pull-out-your-phone-and-try-to-use-whatever-is-the/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [I've been developing mobile for years before anybody else really thought it was that important.](https://sms4smile.com/quotes/max-levchin/i-ve-been-developing-mobile-for-years-before-anybody-else-really/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [Technology has come a long way since PayPal.](https://sms4smile.com/quotes/max-levchin/technology-has-come-a-long-way-since-paypal/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [Right now, nearly all the apps on Facebook take a week to build. No more.](https://sms4smile.com/quotes/max-levchin/right-now-nearly-all-the-apps-on-facebook-take-a-week-to-build-no-more/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [The world is now awash in data and we can see consumers in a lot clearer ways.](https://sms4smile.com/quotes/max-levchin/the-world-is-now-awash-in-data-and-we-can-see-consumers-in-a-lot/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [I actually think Facebook made it their business to be close with all of the app developers. They couldn't have done more.](https://sms4smile.com/quotes/max-levchin/i-actually-think-facebook-made-it-their-business-to-be-close-with-all/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [Facebook is so ubiquitous now that it's like another manifestation of the web itself.](https://sms4smile.com/quotes/max-levchin/facebook-is-so-ubiquitous-now-that-it-s-like-another-manifestation-of/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [You are not designing for yourself, and shouldn't be. Most people using the Web don't understand (most of) what makes it work and don't…](https://sms4smile.com/quotes/max-levchin/you-are-not-designing-for-yourself-and-shouldn-t-be-most-people-using/) [Max Levchin](https://sms4smile.com/quotes/author/max-levchin/) > [We're becoming slaves to our social networks - and that's not a bad thing. 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In hardware if you screw it up you are dead. So accuracy really…](https://sms4smile.com/quotes/reid-hoffman/in-software-speed-to-market-speed-to-learning-is-really-key-in/) [Reid Hoffman](https://sms4smile.com/quotes/author/reid-hoffman/) > [Lawyers tend to be bright people. They tend to be-much more than many journalists I've encountered-sticklers for detail and accuracy, and they have a…](https://sms4smile.com/quotes/ann-coulter/lawyers-tend-to-be-bright-people-they-tend-to-be-much-more-than-many/) [Ann Coulter](https://sms4smile.com/quotes/author/ann-coulter/) > [There's a simplicity in typography that demands absolute accuracy... the only way you can experience it is by doing it, and you can't do…](https://sms4smile.com/quotes/bruno-maag/there-s-a-simplicity-in-typography-that-demands-absolute-accuracy-the/) [Bruno Maag](https://sms4smile.com/quotes/author/bruno-maag/) > [“The only thing that words can do with any real precision or accuracy is hang together. Accuracy of description in language is not possible…](https://sms4smile.com/quotes/northrop-frye/the-only-thing-that-words-can-do-with-any-real-precision-or-accuracy/) [Northrop Frye](https://sms4smile.com/quotes/author/northrop-frye/) > [Am I accurately reporting what I see in such a blossom? The answer is no ... and yes.](https://sms4smile.com/quotes/allen-lacy/am-i-accurately-reporting-what-i-see-in-such-a-blossom-the-answer-is/) [Allen Lacy](https://sms4smile.com/quotes/author/allen-lacy/) > [Only by being suspended aloft, by dangling my mind in the heavens and mingling my rare thought with the ethereal air, could I ever…](https://sms4smile.com/quotes/aristophanes/only-by-being-suspended-aloft-by-dangling-my-mind-in-the-heavens-and/) [Aristophanes](https://sms4smile.com/quotes/author/aristophanes/) > [Without much accuracy, with strangely little love at all, your family will decide for you exactly who you are, and they'll keep nudging, coaxing,…](https://sms4smile.com/quotes/allan-gurganus/without-much-accuracy-with-strangely-little-love-at-all-your-family/) [Allan Gurganus](https://sms4smile.com/quotes/author/allan-gurganus/) > [The federal government is starting to plan for climate change by making extended forecasts that can help people plan for extreme weather - because…](https://sms4smile.com/quotes/jimmy-fallon/the-federal-government-is-starting-to-plan-for-climate-change-by/) [Jimmy Fallon](https://sms4smile.com/quotes/author/jimmy-fallon/) > [Nobody sees reality whole; we all need others to show us the parts of it that they see better than we do. 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Because of the way he bowls, he will not blow batsmen away,…](https://sms4smile.com/quotes/jonathan-agnew/what-we-have-learned-is-that-roland-jones-is-a-very-promising/) [Jonathan Agnew](https://sms4smile.com/quotes/author/jonathan-agnew/) [Browse all 388 Accuracy quotes ](https://sms4smile.com/quotes/about/accuracy/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "One of the things we did at PayPal was collaborative filtering and machine learning: looking at patterns of human behavior. We used it there to predict when people would try to cheat the system to get money. 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