Smartphones

1. Smartphone Operating Systems

1.1. iOS/ iPhone

1.1.1. Pros:

1.1.1.1. Siri

1.1.1.2. The system iOS 5, boasts a range of revised features, including an improved overview of notifications and built-in Twitter support.

1.1.2. Cons:

1.1.2.1. Expensive

1.1.2.2. You can't install iOS 5 on your old iPhone

1.1.3. Siri

1.2. Android

1.2.1. Pros:

1.2.1.1. Google saves contacts

1.2.1.2. A lot of apps

1.2.2. Cons:

1.2.2.1. Poor battery life

1.2.2.2. Slows down after a while

1.2.3. Ice Cream Sandwich

1.3. Windows 7 Mobile

1.3.1. Pros:

1.3.1.1. 1

1.3.1.2. 2

1.3.2. Cons:

1.3.2.1. 1

1.3.2.2. 2