1. Smartphone Operating Systems
1.1. iOS/ iPhone
1.1.1. Pros:
1.1.1.1. Large selection of apps
1.1.1.2. High usability
1.1.2. Cons:
1.1.2.1. Restricted to Apple
1.2. Android
1.2.1. Pros:
1.2.1.1. Free auto navigation
1.2.1.2. Available for all major carriers
1.2.1.3. Good selection of apps
1.2.2. Cons:
1.2.2.1. Apps store inferior to iPhone
1.3. Windows 7 Mobile
1.3.1. Pros:
1.3.1.1. Powerful
1.3.2. Cons:
1.3.2.1. Sluggish
1.3.2.2. Difficult to use
2. Hardware
2.1. Processor
2.2. Keyboard
2.3. Screen
2.3.1. Size
2.3.2. Type
2.3.3. Resolution
2.4. Camera
2.4.1. Zoom
2.4.2. Megapixels
2.4.3. Video
2.5. RAM
2.6. Graphics card
3. Browsers
3.1. Mobile Safari
3.1.1. tabbed browsing interface
3.1.2. smooth adaptive zooming
3.1.3. quick navigation
3.2. WebOS
3.2.1. Integrates Google and Wikipedia search
3.2.2. ability to load multiple pages in the background or side-by-side
3.3. Android mobile OS
3.3.1. Google voice search
3.4. Opera
3.4.1. Mini
3.4.1.1. works on feature phones and many smartphone OSes
3.4.1.2. proxy browser
3.4.2. Mobile
3.4.2.1. works on Windows Mobile and Nokia S60 phones
3.4.2.2. proxy browser
3.5. Skyfire
3.5.1. works for Windows Mobile and Nokia S60 Third Edition phones
3.5.2. Offers Flash & Silverlight
3.5.3. streaming video support
3.5.4. proxy browser
3.5.5. only loads what you can see on the page
3.6. Internet Explorer
3.6.1. Slow and buggy
3.6.2. Similar to computer browser