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Home » Glossary » Crowdsourcing

Crowdsourcing

Definition

Crowdsourcing

Crowdsourcing is the practice of sourcing ideas, labour, funding, or data from a large, distributed group of people, usually online. The defining trait is open participation at scale rather than a fixed in-house team, so the crowd replaces the org chart.

Jeff Howe coined the word in a 2006 Wired article, but the behaviour is far older. In the 1850s the Oxford English Dictionary asked the public to post in word slips, and volunteers mailed millions of them.

What changed is cost. The web made the crowd cheap to reach and quick to coordinate — a task that once needed a postal campaign now needs only a landing page and a payment rail.

For outsourcing buyers the question is rarely crowd versus vendor. It’s which parts of a workload suit an open call — and which need a named team, a contract, and an accountable service level.

Key takeaways

  • Crowdsourcing spreads a task across a wide, voluntary group instead of one contracted vendor.
  • Four main flavours dominate: funding, ideas or content, opinion voting, and paid microtasks.
  • Wikipedia, Waze, Kaggle and LEGO Ideas prove the model holds at global scale.
  • Quality control, intellectual property ownership, and contributor pay are the recurring weak spots.
  • It overlaps with outsourcing, gig work, and open innovation without replacing any of them.

How it works

Crowdsourcing works by splitting a problem into small units, posting it on an open platform, and letting a self-selecting group return solutions, content, votes, or cash. A sponsor sets the rules, the crowd does the work, and a filter decides what counts.

The reward varies. It can be cash, equity, public recognition, or the finished product itself, and that choice quietly decides who bothers to show up and how good their work is.

Most projects fall into one of five buckets, and the bucket determines almost everything downstream: pricing, review effort, and legal exposure.

TypeWhat the crowd givesTypical platformDated example
CrowdfundingMoneyKickstarter, GoFundMePebble Time raised USD 20.3M in 2015
CrowdcreationContent or ideasWikipedia, Threadless6.9M English Wikipedia articles by 2024
CrowdvotingOpinions or rankingsReddit, IMDbDoritos “Crash the Super Bowl” ads, 2007–2016
MicrotaskingSmall repeatable jobsAmazon Mechanical Turk, ClickworkerImage labelling for AI training sets
CrowdsolvingExpert solutions to hard problemsInnoCentive, TopcoderOpen R&D challenges with cash prizes

Scale is no longer niche. The World Bank’s 2024 Working Without Borders report estimated 154 to 435 million online gig and crowd workers worldwide, with the fastest growth in lower-income countries.

The mechanics matter as much as the model. Tight briefs answer three questions: what counts as a valid contribution, how it gets reviewed, and how the contributor is paid.

Leave any one of them fuzzy and the crowd drifts off-task or disputes the result. Topcoder and 99designs fixed this early by codifying brief templates and binding arbitration into their terms of service.

Cost behaves differently too. You pay per accepted output rather than per hour, so budget scales with usable results, but you lose the predictability a fixed monthly retainer gives you.

Moderation is the hidden cost line. Someone has to screen duplicate entries, reject low-effort work, and settle disputes — and on a big open call that review load can outrun the savings.

Examples

Real campaigns show how far the model stretches. Waze, the Google-owned navigation app, crowdsources live traffic from more than 140 million monthly drivers, and that same data feeds routing decisions inside Google Maps.

Wikipedia remains the reference case. English Wikipedia passed 6.9 million articles in 2024, written and policed by unpaid volunteers under editorial rules the community wrote itself. No vendor contract underpins any of it.

LEGO Ideas has shipped more than 60 fan-designed sets since 2008 and pays the original creator 1% of net sales — a working revenue-share model for crowd-designed products.

Kaggle, the Google-owned data-science contest platform, has hosted competitions for NASA, Mercedes-Benz, and Booz Allen Hamilton, with prize purses running from USD 25,000 to USD 1 million for the best predictive model.

DARPA’s 2009 Red Balloon Challenge is still the cleanest proof of speed. A crowd found 10 weather balloons hidden across the United States in under nine hours, using an MIT-led scheme that paid finders and their referrers.

Those cases sit in mapping, reference publishing, toys, machine learning, and defence research, yet they share one shape: an open call, light coordination, and a reward that pays only on usable work.

Corporate adoption has climbed with it. A 2023 survey of 412 product leaders found 38% had used some form of crowd input during the previous 12 months, up from 22% in 2020 (Gartner, 2023).

The sharpest growth sat in B2B software and consumer hardware, where feedback loops are tightest and a beta cohort doubles as a free test lab. Buyers weighing a crowd pilot against a contracted team usually start here.

Related terms

Crowdsourcing sits inside a wider family of distributed-work models, and the differences are practical rather than academic. The closest neighbours below each change one variable: who contributes, what they give, and how the relationship is governed.

  • Crowdfunding: the money-raising variant, run through Kickstarter-style campaigns rather than open labour calls.
  • Outsourcing: the contracted route, where a named firm takes the work under a defined agreement.
  • Freelancer: an individual contractor, the unit most crowdsourcing platforms are actually built from.
  • Gig economy: the broader labour market that crowd platforms recruit from and compete inside.
  • Open innovation: the framing Henry Chesbrough gave to letting outside ideas cross a firm’s boundary.
  • Business process outsourcing: the managed contractual cousin used for predictable, high-volume back-office work.
  • Crowdshipping: the same open-call logic applied to last-mile parcel delivery.

FAQ

Is crowdsourcing the same as outsourcing?

No. Outsourcing hands defined work to a named vendor under a contract with agreed service levels. Crowdsourcing throws the task open to an undefined group and pays only for contributions that clear the bar.

Is crowdsourcing legal?

Yes in most jurisdictions, though it is increasingly regulated. The US Fair Labor Standards Act and the EU Platform Work Directive, adopted in 2024, both push regular crowd workers toward employee status (European Commission, 2024).

How do companies pay crowd contributors?

Payment follows the model. Microtask platforms pay per completed unit, often in cents; contest platforms pay the winner only; and crowdfunding campaigns reward backers with the product itself or with equity under regulated schemes.

What are the main risks?

Quality is uneven, intellectual property ownership can get murky, and contributor pay is a live policy fight. A clear brief, transparent payment terms, and a funded moderation layer are the standard counter-measures.

Does crowdsourcing work for small businesses?

Yes, and cheaply: logo contests, customer-voted product ideas, and pre-order campaigns all test demand before you commit capital.

If you’re scoping a crowd pilot, compare it against a managed delivery partner in the Outsource Accelerator directory before you commit budget.

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