Should using the Oxford comma (also known as the “serial comma”) be a requirement? This is one of the most heated debates in the realm of grammar today. This debate exists not just among writers, but large institutions too. There's even a Twitter account dedicated to asking celebrities about their choice to use (or not use) the Oxford Comma, @CelebrityOxford. Margaret Atwood, the noted author and literary critic, recently disclosed her thoughts on the topic there.