Gmail

1. Procedure

1.1. Create Gmail

1.2. Verified

1.3. Have Phone Number

2. Data

2.1. Send Mail

2.2. Share

2.3. Communicate

2.4. Businese

3. People

3.1. Busineseman

3.2. Student

3.3. Ordinary Person

4. Software

4.1. Google chrome

4.2. Internet Explorer

4.3. FireFox

4.4. Opera

5. Hardware

5.1. Computer

5.2. Smart Phone

5.3. Tablet