It is a small application that runs quietly in your system tray.
Editor: Keep your life on a Flash (USB) Drive? These handy Little devices are rapidly becoming indespensible tools for computer road Warriors, but their portability brings them into harms way more often than wed like.

CrystalFire Flash Comet to the rescue! Flash comet is a small application that runs quietly in your system tray (Windows) or Dock (Macintosh OS X). Flash Comet watches for you to mount a flash drive (or other small media), and quietly copies the data from the drive onto your PC. Since this is done every time you insert your drive (as long as Flash Comet is running), you get an up-to-date backup every time you plug in your drive! you can free download Crystalfire Flash Comet 1.0.4 now.