Read the following text and answer the questions:

Sci-Hub -created in 2011 by Alexandra Elbakyan, a software developer and neuroscientist from Kazakhstan– is a website that provides free access to millions of recent scientific articles from the world's leading scientific journals. As a result, she has been considered a "hacker" and has even been sued by scientific journals.

Do you think that scientific articles should be accessible to everyone?

Do you consider that the accessibility of scientific articles has important advantages for the progress of science? Why?

Sci-Hub is a good example of network communication, what other examples do you know?