CrowdSourcing

1. Uses

1.1. Web 2.0

2. Results in

2.1. ReducesCost by using Crowd Expertise

3. Similar to

3.1. E-Lancing

4. Includes

4.1. Cheap Labor Force

4.1.1. Task

4.1.2. Prerequisites

5. Example

5.1. Amazon

5.2. iStock Photo