According to the Wall Street Journal, Intel is investing heavily into "Ultrabooks" -- thinner and lighter PCs similar to the MacBook Air. The company has made a US$300 million commitment to the technology and hopes to "define" the category the same way it defined the netbook category a couple of years ago.
Two of the chief requirements for the Ultrabook label are a thickness of no more than 21 millimeters and a wake-from-sleep time of seven seconds or less. By contrast, the MacBook Air's maximum thickness is 17 millimeters, and any newer Mac that takes more than seven seconds to fully wake from sleep probably has something wrong with it (or is experiencing a relatively widespread Wi-Fi bug introduced in OS X Lion).
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