While sitting on a couch and gazing at a 50-inch TV remains a popular pastime in America, smaller screens have also edged their way into our lives. Phones, tablets and video game devices crowd pockets and coffee tables, offering access to what used to be called "TV," at any time of the day.
Microsoft, the company that defined the PC, is still enormously profitable — but not as profitable as it once was.
This week, Microsoft will try to regroup. It is rolling out the largest upgrade of its Windows software in more than a decade. All of this is meant to help the company break into the exploding market for mobile.
While the company still commands a formidable computing empire, it is now under attack.
Microsoft's CEO is Steve Ballmer, a big, bombastic, balding guy. These days he's riled up about Windows 8.