Definition of Split Personality: “A relatively rare dissociative disorder in which the usual integrity of the personality breaks down and two or more independent personalities emerge”.

Role play is important in system development especially comes to online system. Your users are everywhere, around the world, speaking different languages, backgrounds, etc. During the interface design stage, developers should think from a point of your users. Though not full-proof, but at least there is an effort to make your system prefered by more users.

“I am Japanese, I don’t speak English”

“Where is the buy button?”

“What is shopping cart?”

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