Mobile devices have used Unstructured Supplementary Service Data (USSD) codes for a long time. They look like a series of numbers infused with asterisks and hashtags that need to be entered like a ...

Jonathan "Wolf" Rentzsch cancels his C4 programming conference in the wake of an Apple change he sees as stifling programming innovation. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...