During his quieter moments — assuming they even exist any more — outgoing Microsoft chief …

In a compact San Francisco office suite equipped with soldering stations and swipe-testing machines, Coin’s team of seven has been working furiously to perfect the final prototype of an unlimited credit card. No, not one that will let you charge with abandon. Rather, a device as slim as a standard piece of payment plastic that can hold countless credit, debit, …

Owners of the Wi-Fi-only iPad and iPod Touch will be able to download and use BlackBerry Messenger before the end of the day. BlackBerry confirmed Thursday that updates to BBM for Android and iOS will start to roll out as free downloads during the day. Available through the Apple App Store, the iOS edition of BBM will offer several enhancements. …