Because Yottabits are ambiguous and misuse the prefix "yotta" as defined by the International System of Units, the International Electrotechnical Commission established yobibits in 1998.
A yobibit is always equal to 2^80, or 1,208,925,819,614,629,174,706,176 bits or 1024 zebibits.
As a unit of measurement, yobibits have no practical uses as of today.
Yobibits are 1,024 zebibits and are the largest unit in bit measurement.
Very similar to yottabits, which use a less exact prefix established by the International System of Units (SI) but are used much more commonly.