So on eBay, you can commonly see USB flash drives with capacities upwards of 1 TB for about $20. I know that they do this by hacking the firmware - telling the computer that it's very large, and simply replacing old files with new files as capacity runs out. Has anyone figured out how to do this? I've been interested in making one with some of my old ( < 1 GB capacity ) devices just as proof of concept. Thanks.