If you are one to pay attention to what happens within the Google realm, you might find yourself thrown for a loop these days. As Google updates their results, it seems like they are having some issues dealing with so many new websites popping up.
Indexing 8 billion websites is quite an accomplishment for Google. As they are reluctant to increase this number, they are faced with many challenges in trying to keep some sites within these 8 billion pages while losing some others, after each update of their database.