What are the three big changes that Shirky mentions to the media landscape? How do these changes affect journalists’ sources?

What is the roosevelt’s main purpose in this speech

According to the article, affects the perception of color. culture winning gender daylight

Ineed with another opening line. here's the idea: a girl got detention for something she didn't do, and had to stay afterschool until evening. she headed towards the bathroom, only to be lured away by distant music. she walks down the dark hallway (which lead to the auditorium) and saw a boy playing the piano, perfectly. i just need a detailed description of this. best will be awarded brainliest. you