Just to check my hypothesis, I took a look around the Los Angeles airport on the way home to see what people were using there. Once again, Apple's devices were more visible than the occasional Windows PC.
The situation has gotten even grimmer for Microsoft with the recent introduction of Research in Motion's PlayBook. A fierce upcoming tablet battle, which will ensue when PlayBook is released next year, will pit RIM's PlayBook against Apple's iPad against a bunch of Android tablets. But Microsoft is nowhere to be found.
In the past, Microsoft has often trailed in delivering new technologies, such as the graphical user interface and Internet browser. But Microsoft ended up doing just fine in those markets, where it achieved dominance after a major effort that learned from the competitors' early successes.
Today seems different: Microsoft's repeated laggardness in the mobile space -- smartphones and tablets -- despite several claims to have seen the light (Windows Mobile 6.5, the Kin, and now Windows Phone 7) could foretell the end of the company's reign as the king of software.
It is a given that more and more PC users will convert to these smaller, easier-to-carry devices. Apple, Google, and RIM have established too much mind share here for Microsoft to think it can just breeze into a leadership role once again.
Microsoft will need to get on the ball fast or its technology eventually could become more prominent at Silicon Valley's Computer History Museum than on enterprise desktops or in your pocket.
This article, "Microsoft is becoming your grandma's computer company," was originally published at InfoWorld.com. Get the first word on what the important tech news really means with the InfoWorld Tech Watch blog.