If you observe those Blackberry users are kinda tech savvy fond of twitting and posting stats on FB and same with iPhone users, Smartphones has began since around +5 years ago and yet the real bandwidth which is capable of, can only be experienced smoothly right now.
Imagine how many users on mobile passing to all that microwave repeaters/cellsites with different comm-features (text, calls & internet) if without certain restrictions, real heavy net traffic can be experienced.
Although, in near future, much larger data bandwidth can be serve to us like HSPA, HSUPA & 4G.
