Smartphone Operating Systems
by Carolyn White

1. iOS/ iPhone
1.1. Pros:
1.1.1. the easiest mobile operating system
1.1.2. anyone who used it for the first time,could figure it out
1.2. Cons:
1.2.1. Features was never a strong point of iOS
1.2.2. OS is so light, it removes the need to unnecessarily jack up the hardware and burn more battery in the process
2. Android
2.1. Pros:
2.1.1. Android's biggest advantage over iOS has been the features
2.1.2. Android does not use the GPU to render the on-screen images
2.2. Cons:
2.2.1. Android is never perfectly smooth
2.2.2. tends to choke on slower devices
3. Windows 7 Mobile
3.1. Pros:
3.1.1. love the keyboard
3.1.2. When it comes to UI smoothness, Windows Phone 7 is unbeatable
3.2. Cons:
3.2.1. may look great but it isn't the best when it comes to user friendliness
3.2.2. you have to press and hold on certain items to display additional options