There are many convincing reasons for not basing design decisions on intuition, somebody's opinion or personal experience – it is against the core principles of user-centred design and can lead to many poor decisions (nobody reads users' minds). When so many tools for collecting data are available, it is hardly worth the risk of getting
A good product fulfils a client’s needs. An effective marketing campaign fulfils a client’s wants. A great, successful product makes your client buy the product, use it, and gets them addicted. Remember the days before the invention of the computer mouse? Or the continuous scrolling wheel of the Apple Ipod? So while User Interface (UI)