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1. Internet

1.1. Researching

1.1.1. Information

1.2. Downloading

1.2.1. Lessons

1.3. Communicate through video

1.3.1. Meets anyone from home

2. Portable

2.1. Wireless

2.1.1. No LAN wire

2.2. Easy to handle

2.2.1. Small in size

2.3. Used anywhere

2.3.1. Chargeable

3. Camera

3.1. Photo

3.1.1. Stored moments

3.2. Video

3.2.1. For saving memories

3.3. Recording

3.3.1. For evidence

4. Sim

4.1. Calling

4.1.1. Connect with eachother

4.2. Texting

4.2.1. Messages

4.3. Data

4.3.1. Making easier for researching