Computers took over presentations from Overhead Projectors. With those, you not only had to hover over the contraption, but also develop an equatorial tolerance for heat. Computer display projectors get just as hot or worse, but you don’t have to stay close to them. Ah, progress.

Impatica’s Showmate represents even more progress, as it frees you from hiding behind the computer screen, or even lugging your laptop around. If your PowerPoint presentations are simpler than mine, you’ll be ecstatic with it.

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Criteria  Rating Design 5 Usability 4 Features 5 Cost/Benefit 4 Overall (not an average)	Pros Simple tap plays next and previous slide Double-tap slide titles listed on Treo screen to display in any order As portable as your Treo, which is very Intuitive, versatile user interface on Treo
	Cons Installation and setup not automatic, and not entirely intuitive Entire presentation must download to device beforehand No sound support Anything beyond simple transition animation is uselessly slow Bluetooth has a 30-foot range, if you are lucky No battery power option Costly