Content writing-social profiles maintenance

Hi everybody, We are interested in someone who can manage with social profiles maintenance. We already have several profiles on: - Facebook - Twitter - Google+ - Blog (our own one) We would need to create an activity at those profiles, perfect english is required, as well as certain skills to write interesting and entertaining articles about our resource. We have a list of preferable sources and similar blogs to fetch out the trends and ideas for your articles. So mainly the task is to do article rewriting or copywriting. 1. you would need to fill in our profiles with a perfect content about our features and our resource in a whole. 2. writing articles twice or thrice a week in order to promote the website. Dear freelancers you should know the main requirements of social networks listed above not to be banned or to make the promotion effective.