Teachers and students must follow strict rules when blogging for educational purposes. Teachers' blog posts cannot include inappropriate language, plagiarism, threats, harassment, or discriminatory comments. Students cannot use profanity, make obscene or disrespectful comments, or disclose personal details. When commenting on blogs, people should read posts carefully, consider strengths and weaknesses, start with positives, and give constructive criticism politely. Students' blog posts need to be factual and avoid offense while expressing opinions and keeping personal information private.