Pressure Ulcer Deï¬nition Localized injury to the skin and /orunderlying tissue usually over a bonyprominence, as a result of pressure, orpressure in combination with shearand/or friction.
1 The 2.4GHz MacBook with 2GB of memory is available for about $1,000.  Apple's ultraportable laptop, the MacBook Air, is aimed at business travelers. The 1.6 or 1.86GHz processor is slower than a MacBook but what it loses in power it gains in portability.
Intel's Haswell architecture gives Apple's already excellent MacBook Pro a big battery boost, while the starting price dips a bit. Sure, $1,999 is a lot to ask for a base-model laptop in 2013, but the Retina Pro remains the best all-around laptop we've tested.