The best replacement for memory stick is flash drive.

The best alternatives to memory stick are rated as following:
★★★★★  flash drive
★★★★  sd
★★★★  sd card
★★★  memory stick duo
★★★  memory card
★★★  memory stick pro
★★  compact flash
★★  external hard drive
★  hard drive
★  sdhc
★  usb flash drive
★  memory stick pro duo
  thumb drive
  secure digital
  sdhc card
  pen drive
  portable hard drive
  flash card
  sandisk
  drive
  external drive

Your alternative for memory stick is not listed? Suggest!
Speaking about memory stick, one probably shouldn't forget about psp.

Other search terms related to memory stick and their ratings are:
★★★★★ psp
★★★★ pandora battery
You have in mind a companion for memory stick and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of memory stick in all years. Click on graph for more.
memory stick
flash drive
sd