Article Writing

I need 25 Articles on the following subjects: We are a marketing agancy and need a constant flow of content, this if successfull will definately lead to more work, almost immediately. We need engaging and well researched articles on the following subjects (approx 25 total, 3 per topic and one extra for any topic : - Facebook, How to use timesline, Benefits, role in social commerce etc - YouTube, Benefits, Video marketing etc - LinkedIn, Guide how to use, Bnefits, Use in B2B marketing etc - Social Analytics, the basics, How to measure etc - Social Media, why businesses need social media, the benefits, how to manage - Social Media Startegy, Do's & Don'ts, how to implement, why needed etc - Twitter, guide on how to use, benefits to businesses, how to grow followers etc - Mobile Marketing, it's importance and dominance going forward It goes without saying that the articles need to be ORIGNAL and pass the test on Google, Copyscape etc and the copyrights will belong to us. Please only bid if you are GENUINELY good at writing compelling copy. As for Milestone - Non-Negotiable - 50% of accepted bid will be milestone payment (Fair to both sides). Thanks In advance!!