Originally posted by dork3d:
Thumb drive is thus known for the thumb sized memory drive. It's using flash chip inside the drive to store data. Likewise to SD, MS, MMC and so on, they also utilise flash technology to store data. A flash chip is quoted to be more resilient and not prior to data corruption due to accidental drops, also the read/write speed for flash chips varies according to the memory definition.
to add on i think most flash drives have more storage capacity than thumb drives, flash drives are generally bigger in my opinion, while thumb drives are relatively much smaller