Here are some tips about blogging:

  1. Write to be helpful.
  2. Be brief.
  3. Tell a story.
  4. Connect others.
  5. Don’t overthink it too much - it’s a blog, not a dissertation.
  6. But be thoughtful.
  7. Don’t be mean.
  8. Publish often enough to build a relationship.
  9. But be mindful of your audience’s time.

So, I think a common blog is a good start, and in case you'll like it - go on with your own one ...