Yesterday we took a look at the Pages for iCloud beta and were highly impressed by what Apple has achieved with its word processing and publishing application. It looks and works very much like a desktop application and pushes the envelope for what has previously been achieved with an entirely web-based app. Keynote is the next of the three iWork for iCloud beta apps in our short series looking at Apple's new iWork for iCloud suite of web apps. Is it possible to recreate a presentation app in the cloud with the full power of a desktop presentation app? It doesn't seem likely, but then it didn'