Displays have become commodities today, with low profit margins for those selling them, but these can be made up for through the sale of peripherals and add-ons.

显示屏如今已经成为供应商的低利润商品，但是这些损失的利润可以通过销售外围设备和附件来做弥补。

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It will be easier to add peripherals when PCs are free of internal slots and conventional serial and parallel external ports, Whalley adds.

CNN: Technology - Intel: Make PCs simpler

While there are several peripherals that add keyboards and joysticks to smartphones, Sensus goes one step further by adding touch input to a device's entire outer surface.

ENGADGET: Canopy's Sensus gaming case protects your iPhone 4 / 4S, adds plenty of new touch sensors (update)