Apple is hiring staff and building out a new office in Southern California to work on in-house wireless silicon that could eventually reduce its reliance on third-party chipmakers.Apple expanding presence in Southern California for modem developmentThe company is reportedly looking to hire a half dozen engineers to develop wireless chips in the city of Irvine, California, Bloomberg reported Thursday. Modem makers like Broadcom, Skyworks, and others have offices in the Irvine area, which is between L.A. and San Diego.Read more