The most successful bloggers always ask, "What is a good blog?" Here's a summary of the best tips from professional bloggers and Google gurus, to show you what a good blog is.

Baby boomers, meet Tina Boomerina. She started a blog for women over 50 (baby boomers) and describes how she started her blog, and what she loves most about blogging as a full-time job, and how she stays motivated to keep writing.