I don't know but probably because it varies from device to device. You did realize the article was an April Fools joke? ;-)
Vaj wrote: > How big is a full install of the Android OS? > > On Apr 1, 2010, at 2:40 PM, Bhairitu wrote: > > >> Now you can have the best of both worlds! :-D >> http://phandroid.com/2010/04/01/verizon-iphone-to-dual-boot-android-rock-4g-lte/ >> > > >