German speaking Writer about Social Media & SEO Topics(repost)

We run the german Silicon Valley Blog Experiment on [login to view URL] Sometimes we get research results or interesting article from the Silicon Valley Blog, we want to forward to a Freelance Writer for further research, write a summary in german to publish is as article on our site. A short article will be 300 words, a standard article 600-800 words. This is an ongoing job on a non-regulaer base. Sometimes can be 1-2 articles a week, sometimes nothing for a month. Please over your price per 600-800 word Article and give further expertise and examples. Articles only in german needed.