"after considering alternatives such as 100 MB, the company finally settled upon 1 GB of space, a figure that was preposterous compared to the 2 to 4 MB that was the standard at the time.[3]"
"On 1 April 2005, exactly one year after the initial release, Gmail increased the mailbox size to 2 GB, advertising it as 2GB plus"
https://en.wikipedia.org/wiki/History_of_Gmail
"after considering alternatives such as 100 MB, the company finally settled upon 1 GB of space, a figure that was preposterous compared to the 2 to 4 MB that was the standard at the time.[3]"
"On 1 April 2005, exactly one year after the initial release, Gmail increased the mailbox size to 2 GB, advertising it as 2GB plus"
The sample of the news from these times:
https://betanews.com/2005/04/01/gmail-storage-to-reach-2gb-a...