jump drive vs memory stick

jump drive

noun
  • A USB flash drive. 

  • A means of travelling faster than light by jumping from one point to another in space. 

memory stick

noun
  • A portable solid-state electronic flash memory data storage device equipped with a USB (or similarly specified) plug for direct connection to a corresponding port; a USB drive, thumb drive or pen drive. 

  • One of a series of memory devices manufactured by the Sony Corporation ranging in size from a USB drive down to a flash card. 

How often have the words jump drive and memory stick occurred in a corpus of books? (source: Google Ngram Viewer )