Apple released its long-awaited Mac OS X Lion operating system Wednesday, together with a lineup of new MacBook Airs, a refresh to the Mac mini line, and the world's first display using the next-generation Thunderbolt port. Thunderbolt technology will offer up to 10 Gbps of access speed in each direction simultaneously over one cable. OS X Lion, the eighth major release of the operating system, has more than 250 new features, Apple said. These include new multi-touch gestures, support for full-screen apps and Mission Control, which lets users view everything that's running on their Macs