February 4 - 3:55pm EST   A host of informative documentation regarding the MacBook Air has been pulled from Apple's support site, including those that relate to wireless performance tips for the ultra-portable. Formerly, Apple posted documents that outlined several recommendations for an optimal computing experience, such as a reduction in wireless reliability when using the laptop in closed-lid mode. Macworld UK has collected a list of these recommendations, in lieu of their presence on Apple's support page. [full story]