1. Smartphone Operating Systems
1.1. iOS/ iPhone
1.1.1. Pros:
1.1.1.1. 1. Easiest one to operate
1.1.1.2. 2.Offers the most applications
1.1.2. Cons:
1.1.2.1. 1. Lacks in customization
1.1.2.2. 2. Can only use hardware through Apple
1.2. Android
1.2.1. Ice Cream Sandwich
1.2.1.1. Pros
1.2.1.1.1. 1. Fresh and amazing interface
1.2.1.1.2. 2. Both phone and tablet branches of OS are merged
1.2.1.2. Cons
1.2.1.2.1. 1. Incompatible for some apps
1.2.1.2.2. 2. Poor Facebook intergration
1.3. Windows 7 Mobile
1.3.1. Pros
1.3.1.1. 1. New and attractive user interface design
1.3.1.2. 2. Compatible and efficient for all devices running on WP7
1.3.2. Cons
1.3.2.1. 1. Not very user friendly especially the touch screen
1.3.2.2. 2. Features lack and need updating
1.4. Sources
1.4.1. http://tinyurl.com/43xltou
1.4.2. http://tinyurl.com/3flhxl2
1.4.3. http://tinyurl.com/3vjw7h2
1.4.4. http://tinyurl.com/7jvyasx
2. Hardware
2.1. Processor
2.1.1. SnapDragon
2.2. Screen
2.2.1. 1.
2.2.2. 2.
2.3. Network
2.4. Camera
2.4.1. 1. Apple iPhone 4S offers more megapixels and uses more light which provides a brighter picture.
2.4.2. 2. Nokia N8 takes the best pictures at night and videos are 30 fps.
2.5. Capacity
2.6. RAM
2.7. Sources
2.7.1. http://tinyurl.com/879u8lt
3. Smart Browser
4. Major Smartphone Carriers
4.1. Version
4.2. T-Mobile
4.3. Sprint
4.4. AT&T
4.5. 3G, 4G, LTE
5. Manufacture Marketshare
5.1. Samsung
5.2. Apple
5.3. Motorolla
5.4. LG
5.5. Nokia
5.5.1. Lumia