Which actually (and thankfully!) I think is the problem with DropBox's business model. Most apps I use, will happily use SkyDrive, DropBox or Google Drive. As

Which actually (and thankfully!) I think is the problem with DropBox's business model. Most apps I use, will happily use SkyDrive, DropBox or Google Drive. As a business, why would you ever tie yourself to the fait of one. The 'key risk' is simply to great to be tied entirely to one vendor or platform. It is one of the best arguments for making AppStore Apps multi-platform. Which brings me back to my original point. SkyDrive has some better features, even if you only use OSX. Both Google Drive and Sky Drive are working on converging the web-app space. When people are just in a browser the word / excel / ppt / etc document editing ability (all free) is considerably better than google docs. For sharing simple photo album, its much better, especially if you want to share with someone who can edit. It also blurs into almost facebook territory with the comment system too, but has better privacy. I can't think of one feature in fact that would make think Hmm DropBox is the best for this. As I don't have a mac to compare, combined with my deep loathing of the UX/Design Language of OSX, I have only glanced over the feature sheet. Can't see anything SkyDrive is missing on OSX that dropbox offers.