Blogging can help businesses in several ways. It allows companies to showcase their expertise, provide fresh content cheaply and easily, increase their brand awareness and reach, and build an interactive community. Effective blog posts are unique, focused on a specific topic, keep content short and concise, include relevant links and media, and optimize keywords and keyphrases. Blogs should integrate with social media and use social bookmarking to increase visibility. Subscribing to news sources provides potential blog post content.