The small Intel Core 2 Duo chip that allows Apple to make their MacBook Air so slender is not exclusively licensed for use by Apple. Newsfactor reports that both Lenovo and Fujitsu are interested in using the 65 nanometer scale chip in their own ultrathin notebook offerings. Earlier this month, Apple CEO Steve Jobs unveiled the MacBook Air at the annual Macworld conference. The new laptop is so thin — three-quarters of an inch at the thickest part — that it fits into a manila envelope. The svelteness is achieved