• 40000BC - Cave Paintings
  • 5000BC - Tally Stick
  •  2000BC - Papyrus
  • 100BC - Paper
  • 1440 - Printing
  • 1750 - Punch Card
  • 1845 - Punched Tape
  • 1877 - Phono Graph
  • 1898 - Telegram Phone
  • 1928 - Magnetic Tape
  • 1932 - Magnetic Drum
  • 1946 - Selectron Tube
  • 1949 - Delay Line Memory,Magnetic Core
  • 1956 - Hard Disk
  • 1963 - Music Tape
  • 1966 - D-RAM
  • 1968 - Twister Memory
  • 1970 - Bubble Memory
  • 1971 - 8"Floppy
  • 1976 - 5",25"Floppy
  • 1980 - CD
  • 1981 - 3",5" Floppy
  • 1984 - CD-ROM
  • 1987 - DAT
  • 1989 - DDS
  • 1990 - MOD
  • 1992 - Mini Disc
  • 1993 - DLT
  • 1994 - Com-pack Flash,ZIP
  • 1995 - DVD,Smart Media,Phase Writer
  • 1996 - AIT,CD-RW
  • 1997 - Multimedia Card
  • 1998 - Memory Stick
  • 1999 - Micro Drive
  • 2001 USB Key,SD Card
  • 2003 - BlueRay,XD Picture Card
  • 2004 - WMV-HD,HD-DVD
  • 2007 - 1TB Hard Disk