Get to know the opinion of the world! The “Like” feature of Facebook is pretty simple in nature. It lets users communicate what they think about anything. However, this powerful feature is also the excessively abused. If you want to know the unbiased opinion of the world, this review could help you. RateThis!, an iPhone app developed by CookieJar Solutions, takes the concept of “liking” a bit further. After launching it, users could see nine sections in the main screen …