Various causes: There are very many causes, from congestive heart failure, to lymphedema, to venous insufficiency, blood clots, pregnancy, a various other causes, including serious and not-so-serious causes.
I have a Sony DVP ns55p blu-ray player with a usb port in the front. The player requires that the usb flash device (thumb drive) be formatted in FAT32in order to recognize it.
slide 2 of 5. Kingston's New 256GB Data traveler 300 USB flash drive- the UK model This drive, announced in the summer of 2009, just a month after Kingston added a 128GB drive to its product line, is currently only available in Great Britain- for a hefty $900 USD. Up to 90% of the contents can be password protected.