Crowdsourcing has many benefits, including the example in which McDonalds set up a Twitter campaign to promote positive word of mouth which became a platform for people looking to bash the chain.

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While crowdsourcing offers great promise, in practice such programs are difficult to run. At times, customers can hijack them. McDonalds set up a Twitter campaign to promote positive word of mouth. But this initiative became a platform for people looking to bash the chain.

Crowdsourcing Has Many Benefits, Including the Example in Which McDonalds