Making money from enforcing patents is no more wrong than investing in preferred stock.

The magic words 'on the Internet,' if inserted into nearly any sentence, seem to protect it from normal critical scrutiny.

If people don't get paid for their inventions, that's not a good thing. In the case of many patents, there are people who aren't in a position to take them to the next level. If you don't enforce your rights, no one is going to enforce them for you.

When I was about nine years old, I announced to my mother that I was going to cook Thanksgiving dinner. And I went to the library and got this whole pile of books. I'd love to say it all turned out great. It didn't. But, sort of, from that point on, whenever there was serious cooking at home, I was the one who did it.

Now, to find dinosaurs, you hike around in horrible conditions looking for a dinosaur. It sounds really dumb, but that's what it is. It's horrible conditions, because wherever you have nice weather, plants grow, and you don't get any erosion, and you don't see any dinosaurs.

It's very hard for individual inventors to get paid. For the same reason that private equity is valuable - broadly, that's a good thing - in the case of patents, many that own them aren't in a good position to take the next step.

Most estimates of the mortality risk posed by asteroid impacts put it at about the same risk as flying in a commercial airliner. However, you have to remember that this is like the entire human race riding the plane - it is one of the few risks that really could wipe us all out.