So it seems that Microsoft has put together yet another ad bashing Google’s line of Chromebooks. The Verge’s Tom Warren says this aggressive line of attack raises a key question: Why in God’s name is Microsoft actually worried about Chromebooks? I’ve tried to figure this out myself and I have not been able to come up with anything resembling a logical answer. An attack on Chromebooks would make obvious sense if Chromebooks were selling like crazy and were significantly eating into Windows-based PC sales. Right now, however, there is simply no evidence that Chromebooks are making a dent in the consumer landscape, let alone hurting sales of PCs. In fact, Chromebooks don’t show up anywhere on NetMarketShare’s rankings of most-used