there are also websites that is actually paying review articles to provide quality content specifically for their websites because these webmasters have not much time to do this due to other web management task in general. They rather hire online writers to help them create articles and reviews because they believe is "content is king" to promote their website.
They are willing to pay people on for this purpose and the rate are typically per word count. Base on my own current experience, there are some who paid well and there are some web site where you need to build working relationship and trust first to get good payment. This is also a win-win situation for aspiring and experienced writer that is basically good in English who are dying to earn money online and for the web site owner who is on the other hand desperate for their web sites content and is willing to pay anyone. If you are someone who enjoy writing about different topic this is a very lucrative source of income and is now very popular nowadays and worthwhile to do. There are currently webmasters spanning the globe searching for quality, interested and experienced writers and all you need to do is spot the best one that can give high payments.