- To register a new account, the new user must provide us with his basic information such as his full name, his mobile phone number, his profession and the type of his car - we need the mobile phone number so that we can communicate with him and send text messages to him to verify his person to activate the account
- We need to specify the profession or profession so that we can connect it to people who need the same profession
- We need to know the type of his car to determine the people who want to deal with him