TwitterDeck!!! Android is fragmented I Love how he said it I think he is right, though Windows is seems like a closed OS but it actually open Operating System. Think about it, anyone can write a program for Windows without needing any licensing and permission from MS. OpenSource community also wrote plently of applications for Windows. But the differences between Open OS and OpenSource OS is that OpenSource is act unter GNU licensing and which mean free source code if the developer working with GNU tools. Windows apps that are not under GNU will be closed source and cannot be shared or borrow the code to use without permission from the owner of the source and usually he/she or they will not upload it to the net even requested. Well that's what I think ahha anything else will be your own opinion, you can correct me if i'm wrong