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.
My desktop PC is setup with 3 hard drives. The boot drive is a 1TB drive (C:). I then have two 1.5TB drives (E: and F:) which serve as the foundation for my long term storage and file shares. F: is simply a clone of E: via SyncToy. Parts of C: and all of E: then gets backed up offsite with Crashplan.