My site lasted back in the top 10 for my search phrases for a whole 5 days, now the entire site is gone. Now even my top search term is gone, which until today has never been touched. When I look at the phrases that my site was previously ranking well for, it is definitely a phrased based filter. For the sites currently in the top 10, the key phrase is found NO WHERE on these pages...each individual word is on the page but never together in the form of the search phrase. That is just weird and not very helpful for users. Many of the current pages are not what users would be looking for.