A new blog should not add to the existing noise the blogosphere. Do something outstanding to get noticed.
Blogging is all about sharing; no matters if the blog post is written by you or not. Keep spreading the good vibes for your readers.
Content is the king - In the blogging world so diverse and big, you need to establish yourself with a distinction. the only road to it is good, original and valuable content. Be creative, different and surprise your readers once in a while.