iOS 7 is of course a drastic change in terms of design compared to previous generations of Apple's mobile OS. The design is much flatter and simpler compared to iOS 6 and before - some people love the new design, some people hate it.
But one thing that is crazy is that you can create the iOS 7 homepage completely from scratch in Microsoft Word. Yes, Microsoft Word, that very popular word processing program that millions of people use on a daily basis.
Vaclav took out the time to recreate iOS 7 in Microsoft Word and he did a fine job of it.