Will Windows 10 change everything for Microsoft?
Watch the video at go.pcworld.com/winvid YOU KNOW THAT moment in spy thrillers when the hero suddenly realizes the scope of the evil genius’s nefarious plan? I had a moment like that at Mobile World Congress, when I sat down to talk with Greg Sullivan, Microsoft’s Windows Phone Director of Public Relations. Not that anything he said was evil. He just made me stop short and realize why Windows 10 really could change everything for Microsoft. The reason why is encapsulated in one number: 1.5 billion. That’s how many Windows users exist worldwide, according to Sullivan. “We expect many will upgrade,” Sullivan said. How many? “Very many,” he repeated, with a dastardly smile. Now’s the time when the hero puts together all the clues. A lot of people will upgrade to Windows 10. Windows…