BIT, MEGABIT ETC...

kilobit (kbit) 2^{10 bit}
megabit (Mbit) 2^{30 bit}
gigabit (Gbit) 2^{40 bit}
terabit (Tbit) 2^{50 bit}
petabit (Pbit) 2^{60 bit}
exabit (Ebit) 2^{70 bit}
zettabit (Zbit) 2^{80 bit}