All three have typical smartphone amenities that travellers adore, such as primary cameras that take eight megapixel images (which compares favourably with the two-megapixel-image standard of regular mobile phones) and they all shoot high-definition video.
Naturally, Apple's pushing the smaller form factor as a boon for those who adore ingesting text on digital screens, further advancing its iBook and education initiative that took center stage at its January keynote in New York City.