(a) It can transfer files as big as the flash memory capacity of the USB Flash Drive.
(b) Laptop users found that a USB Flash Drive reduces the bulk and weight of the equipment that they must carry when using laptop computers.
(c) Put hundreds of photos on a USB Flash Drive - it becomes a small, portable photo album.
(d) For people who need to work both in the office and at home, a USB Flash Drive eliminates the slow data transfer over the internet (via e-mail).
(e) Physical security of a USB Flash Drive helps to keep confidential data secure.
(f) For environments with dust, pet hair or other environment conditions that cause unreliable operation of floppy disk and other removable storage media, a USB Flash Drive offers a faster, smaller and more reliable alternative.