They were showing that another Infinite repeating sequence 0.1010010001... is infinite and non-repeating (like pi) but doesn't contain all finite numbers
The public TV was full of ads and bad programs. Cable offered you pay them for no ads, good series and new movies. Then the prices rose, then the ads started, then the programs turned to shit as much or even more than before.
Didn't see it in the thread, but aqueduct are pretty fire. They allowed empires to grow large and far away from a source of drinking water. Also improved sanitation allowing people to live longer and healthier.
The main difference I think has to do with how this is done. Marketing is much more aggressive. Think like Google ads where products appear in unrelated queries. Much more sensationalism and less information. While the article says gamers want to read actual reviews, comment on the game while being developed, etc.