The idea behind the ProductWiki community is to give people a place to share their thoughts, frustrations, questions, praise and anything else. There are a lot of ways to share: writing articles, participating in discussions, and adding links and images.
You can get to the community section by selecting the Community tab.
Articles are a great way to review products, write buying guides, or talk about the latest iPod craze. Discussions are a great way to talk to other members of the community. You can ask questions, answer questions or talk about how you modded your Xbox.
The ProductWiki community is organized the same way products are organized. You can write an article in a specific section, like Fashion, or you can start a discussion tailored to a particular product. To add something, just select what you want to do from the contribution bar.