Online piracy is a big problem for the us because

Large corporations argue that restricting access to some massive pirate pages amounts to a censorship of freedom of expression. Many consumers see digital theft as a crime without victims. It may be easier to close the rogue or dishonest sites that do not respect copyrights, but it has been shown that for each service that is closed many new ones appear. Public wants is a better service and greater availability at a fair price.

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.