They must jump through the irrational and expensive hoops of the FDA, and patents are only 20 years (compare with corporate copyright of 75 years). This makes them pursue only blockbuster and knockoff drugs. Stuff for chronic diseases you're going to buy for years.
The boot device is the device from which the operating system is loaded. A modern PC BIOS (Basic Input/Output System) supports booting from various devices. These include the local hard disk drive, optical drive, floppy drive, a network interface card, and a USB device.
Depending on the BIOS of your computer, you can set the USB stick as a boot device. If your PC's BIOS does not seem to support this, check if there is an update available. For some reason most BIOS prefer to refer to the thumbdrive as a USB Removable Floppy Disk or USB Zip Disk.