GPT

1. subsequent development

1.1. new information

1.2. unlimited learning

1.3. more function

1.4. more derivation

2. value

2.1. gain information

2.2. academic writing

2.3. management

3. development

3.1. AI

3.1.1. origin

3.1.2. achievement

3.2. ChatGPT

3.2.1. model

3.2.2. version

3.3. derivation

4. function

4.1. chat

4.2. solve problems

4.3. search

5. comparison (advantages and disadvantages)

5.1. search online

5.1.1. compare with Google Search

5.2. chat robots

6. limitations