Are Quasars a Way to Understand the Structure of the Universe?

Quasars are directional. They're not like bright objects like the sun that shine in all directions. And it's really interesting that they were made in the early universe, because we have a lot of questions about how the structure of the universe was formed. So it might be that, like, these things are a really helpful probe to show us where there were really dense spots in the early universe.