Fix grammaticality: As a result, by 2003, the mobile phone was presented more than just a tool for calling someone.
The mobile phone is a tool for communication, but it is not a tool for communication.
Correct: The mobile phone is a tool for communication, but it is not a tool for communication.
The mobile phone is a tool for communication, but it is not a tool for communication.
The mobile phone is a tool for communication, but it is not a tool for communication.
The mobile phone is a tool for communication, but it is not a tool for communication.
The mobile phone
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.
The mobile phone is a tool for communication.