I agree. I see two other big differences between now and the PC OS battle of old. First, compatibility problems were a much bigger deal 20 years ago than they a

I agree. I see two other big differences between now and the PC OS battle of old. First, compatibility problems were a much bigger deal 20 years ago than they are today. If you and the person you wanted to share information with weren't both running the same program on the same OS with the same data storage hardware, you couldn't collaborate at all. Today, we have the internet, which has created a lowest common denominator for communication. Everyone can understand HTML. We have Google Docs, email, Twitter. Different OS's can have different client applications but can easily talk to the same services as other devices. This leads to my second, related, difference. Microsoft aggressively sold Windows to businesses first, everyone else second. Many many people had Windows machines at work, so when it came time to get one for their home, they picked the same OS for familiarity and compatibility reasons. I don't see that as being a large factor in the handset market. The phone isn't as important to getting work done as the PC was and is, so people have more latitude in picking what phone they want to use. So, again, I agree. There is room for more mobile OS's in this space than the two we got in the PC space. I hope more device manufactures realize this and try hard to make something compelling. We'll see.