Despite the dream of an "ultimate handheld," it's really hard to get down to fewer than two portable devices. A Treo may do it all, but you still want an iPod; an iPhone is great, but you still need a ...
These days, if you need to connect two devices via wire, you'll most likely use HDMI. This display protocol supports all sorts of device pairings. It lets you use your iPhone with an external display, ...
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