Steve Jobs unveils the original 15-inch MacBook Pro, Apple's thinnest, fastest, and lightest laptop yet.The new laptop adds dual-core Intel processors for the first time, marking Apple's transition from PowerPC processors.The MacBook Pro introduces the MagSafe connector, a magnetic power connector that detaches if someone trips over the cord.In 2020, Apple announces the transition to its own ARM-based chips and releases the first MacBook Pro powered by the M1 chip.