All very wonderful, right? Well, maybe not - as some SEOs and webmasters say. Their main concern is that by providing such a structured format of their content - content scrapers will need very little skill in stealing their content and repurposing it in a useful manner. SEOs and webmasters don't mind Yahoo getting this data from them, but they know that leaving this easy to use and structured format open to Yahoo will also give anyone else access to their data. Same issue with XML but this is even more fine tuned data, because webmasters can detail minute details about their content