I think we'll still have legends. We're recording lots of things now, but 100 years ago we were recording more things than 150 years ago. As an example, conside

I think we'll still have legends. We're recording lots of things now, but 100 years ago we were recording more things than 150 years ago. As an example, consider Churchill and Hitler. Both lived before your "2nd half of the 20th century", we don't have their blog posts, but we have a lot of information on them. Yet there is still a mythos and legendary aspect to how both are remembered now. Even with a lot of information on both, legends are forming.