Read the following text from a student essay. How can the writer best improve his or her grammar and mechanics?
Many inventions have changed people's lives the Internet has had the biggest impact. Because the Internet connects billions of people around the world, people who live thousands of miles apart can get to know one another. Information is now available at our fingertips bulky encyclopedias are a thing of the past. All kinds of entertainment are available on the Internet. People can read books online, listen to music, play games, or watch videos. The Internet has also changed the way people shop and how they make a living. People can buy, sell, or trade just about anything they can work remotely via the Internet. For these reasons, the Internet is the most important invention of the past century.