How to start a blog for your company:
Step 1: Look at others blogs and add to their dialogs.
Step 2: Make sure you are looking at blogs that coincide with your company and learning from them.
Step 3: Use the blogosphere language and dialog.
Step 4: Learn the math: RSS, delicious, tags, etc.
Step 5: Research what you want to do with your blog and which social media channel is the best to use for your company.
Step 6: Use social media tools for a campaign.