However, certain aspects of this analysis are somewhat misleading; just because some platforms are considered "content consumers" doesn't mean they aren't regularly used as "content creators." The reverse can also be true.
iOS is popularly considered by most commenters on these tech boards as a content-consumption-only platform, yet professional artists, photographers and writers use their iPads in the field and often nearly exclusively under highly mobile circumstances. This is as much due to the fact of the high number of professional applications available--including Photoshop for iPad--as it is due to the iPad's ready synchronization to OS X applications that don't require manual triggering.
Android is to a larger extent going the exact opposite direction as the single largest selling Android tablet on the market appears to be the Amazon Kindle Fire, which is almost exclusively a content consumption device despite the content creation abilities of other tablets like the ASUS Transformer series. When you add to this the new Transformer introduced by ASUS at CES that mates the tablet screen to a Windows-loaded keyboard unit and you have to somewhat wonder if ASUS isn't going to turn that tablet portion into an RT tablet before it reaches the consumer.
That brings us to the Windows8 devices. The author is completely correct that the full Win8 version will be the best for most enterprise users where the full Windows capability may be necessary. However, history has already proven that a full Windows platform tablet is a market failure as these have been available on the open market for over a decade now. A hybrid system similar to Asus' with an RT tablet head mating to a full Windows8 base would give the lightweight, easily-used mobile display capabilities that the iPad currently provides to enterprises while keeping a very close and convenient integration to the rest of the office Windows environment while docked.
In fact, the ONLY advantage Android has over the other two platforms is its close tie to the smartphone market, which will probably shift more towards the WP8/9 platform as it proves itself to the user and developers.
My projections? (Here we are, DColbert) It will take the WinRT/WP8 about 18 months to see any significant growth, but should then rise to at least 40% of the overall market. Android will subsequently fall to a similar number or lower--most likely becoming the favorite OS for embedded systems rather than a standalone device OS. iOS will probably settle in comfortably at about 25%-30% of the overall market as a standalone device--assuming it doesn't re-merge back into OS X itself probably with the release of 10.10 (or maybe it will be called OS XI (11).
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