Blogger is great Blogging Platform powered by Google. I love this unique place to share my thoughts, opinions and reviews. No SEO geek on earth will suggest you to change a blog post url, this will hamper your SEO ranking both overall Blog Rank and rank related to the particular post of which you are supposed to change URL.
Business, Branding and Productivity: Tips and Tricks, Great Apps and Software, Security, Earning Money, Generating More Sales, Increasing Productivity and everything in between.