Howard Rheingold is an American writer, critic, and educator known for his work on the social, cultural, and psychological implications of modern technology. He gained prominence in the 1990s with his book, The Virtual Community, which explored online communities and their impact on society. Rheingold has also contributed to discussions on digital literacy and participatory media. In addition to his writing, Rheingold has taught courses on media studies and collaborative technologies at various universities. He emphasizes the importance of critical thinking and engagement in the digital age, encouraging individuals to navigate the complexities of the internet responsibly and thoughtfully.