"Its a hard disk in 1956.... The Volume and Size of 5MB memory storage in 1956. In September 1956 IBM launched the 305 RAMAC, the first computer with a hard disk drive (HDD). The HDD weighed over a ton and stored 5MB of data. Let us start appreciating your 4 GB jump drive!"
http://www.popular-pics.com/pictures.aspx?photoid=422
lol crazy.