Win7Phone and BB OS have NO user interface to speak of.

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Instead of simply being a phone, he envisioned a tool with no buttons, and a natural user interface that we would interact with using our fingers on smooth glass, as if we were directly touching whatever was displayed on the screen.

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Clearly no one has been able to produce a good user interface or a way to target customers on the go.

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While we appreciate that having a touchscreen allows Tesla to tweak the user interface in software, there's no haptic feedback, and we'd still much prefer having good ole hardware knobs and switches for the main controls.

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We'll detail the user interface more in the section below, but since there's no touch functionality here, you'll need to navigate using the four side-mounted buttons.

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Meanwhile Samsung is bringing their TouchWiz user interface over from their Galaxy handsets to power the Rex phones, which will no doubt look spectacular alongside the latest Android powered S3.

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