Aritcles needed for Mobile Development

We need fresh 4x6 articles for each of the following 6 Topics in context of our website [login to view URL] : iPhone Development iPad Development BlackBerry Development Windows Mobile Development Android Development Pre-Palm Web OS Development Total 24 articles, (No Hurry you can submit 6 articles per Week, 1 article per Topic basis) articles must be : -All content must pass a copy-scape test -u can use information from web but must be rewrite. No straight copy and paste allowed -Content must be in plain, understandable USA English Language -Content must be spell checked and spelled correctly USA English Language new bidder also welcome but must have to prove him/his ability to write well. please bid with one sample and with the price for per 500 words. Please understand these articles are for SEO Purpose, so please make sure you have not picked it up from any competitor. You can take reference to understand what kind of article we needed from competitors. We can provide you list of competitors and their article references by PM only.