NEWS IN BRIEF: Apple in exec row, iPhone as modem

Apple executive Mark Papermaster has been ordered to stop work pending a court investigation into whether his move to Apple broke the terms of a contract he had signed with IBM. By signing the contract, Papermaster had agreed not to work for a competitor for at least a year, IBM has argued.

In more Apple news, an AT&T executive told InformationWeek the company is planning to introduce tethering to the iPhone 3G, allowing subscribers to use the phone as a wireless modem for computers.