Cortana on the PC: Can We Talk?

Cortana, the Windows Phone voice-activated digital assistant, now works on desktops, laptops and tablets running the preview edition of Windows 10.
Microsoft began touting the new capability when it announced Windows 10 on Jan. 21 as a free, one-time upgrade for Windows users that will be officially released later in 2015. The upgrade will be available on devices running Windows 7 and Windows 8.1 on PCs or tablets, or Windows 8.1 on Windows smartphones.
The Cortana capability will give PC