By the way, in reference to innovation still occurring and being quite healthy under older copyright rules or in cases where copyright/patents didn't exist at all--it should be noted that back in earlier days, it was much, much more difficult to "copy" or redistribute goods. It took a lot more work to take a book (in or out of copyright) and reproduce it. The lack if technology made theft or redistribution unlikely. So innovation and money-making could occur without as much threat as exists today.
The same holds true with patents on technology or drugs. The knowledge to recreate a drug was difficult to come by. The ability to copy car technology was not easy to come by. The sheer lack of being able to share intelligence protected innovators for a time. These days, not so much.
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