Here is an interesting video on the economics of airline class.

In summary, the original airline tickets cost as much as the first class of today. The main reason there are economy tickets today is that there is not enough demand for business class tickets to fill a plane.

Do you have a cat? Does it pee or bite what you don’t want it to?

Research suggests your cat might be frustrated with its life, since it is semi-domesticated after all. Especially if it is not allowed out, it might be a good idea to enrich its environment.

The catch is you might need to collect some more food pieces from around the house than you are used to.

Here is an interesting video on how rulling works, regardless of political system.

It seems to suggest that the rulling is only possible if major interests are represented and that, in any political/power organisation, there is always an oligarchy representing the major interests that is doing the ruling. Better watch the 20 min video to get more detail and make up your mind…

There is a follow up too.

Here is a video essay on blockbuster music.

I would suggest to spend the time to watch it. If you really want the summary it is:

The Hollywood norm has always been creative unoriginality in music scoring. Often by copying the style of other movies and playing it safe.

Here is a nice video illustrating, among other things, how traffic jams appear to go away for no reason. The solution to end all traffic is rather interesting.

Then again, one could say the solution already exists.

Here is a video on China, suggesting the name is a modern invention implying the idea of a nation state, which is also recently imported to China.