The idea behind crowdsourcing is that labor in the developing world is cheap, and tasks that are somewhat mechanical yet require human intelligence can be outsourced to developing countries. As opposed to freelancing, crowdsourcing usually doesn't require any expert skills; usually knowledge of the computer/ Internet and/ or a mobile phone are sufficient.

A number of websites have best college essay writing service reddit up in the recent years where a business can make use of the "crowd" and the "crowd" can earn money by completing simple tasks such as taking a survey or translating a paragraph of text, etc. Typical earnings can range from $0.01 to $20 for each task completed. Each task should ideally be less than an hour of work.

Following are some sites where "tasks for the crowd" can be posted:

Amazon Mechanical Turk
Amazon Mechanical Turk is a marketplace to find "human intelligence tasks" (HIT) and thus, earn money. Earnings in the US can be transferred to a bank account. Earnings in other countries, however, are redeemable only against Amazon.com gift vouchers.

TxtEagle
Similar on these lines, a company with the name of TxtEagle has been formed. The concept is to create simple tasks that can be completed using a mobile phone in a 3rd world country, usually via SMS. An example scenario could be translation of an essay from English to Hindi/ Urdu by breaking the article into sentences and making each sentence available for translation. Of course, there are challenges for the work requester, which are mainly related to the "quality of work completed."

Cloud Crowd
Cloud Crowd is a Facebook app. They have created a specialized set of services that can be worked on (i.e., not any kind of work can be outsourced). These include essay writing, tagging an article, etc. Payment is only by PayPal!

Uphype
The concept is simple. Service provides offer a service for a day's work from any of the following rates: $8, $16 and $32. Typical service, for example, could be "creation of a business logo in a day for $8." You can post your own services or make use of the ones offered there.