The advantages of technology can be referred to as the "benefits" or "upsides" of technology. Some other phrases that could be used to describe the positive aspects of technology include:

The positive impact of technology
The value of technology
The usefulness of technology
The efficiency of technology
The convenience of technology

For example: "One of the main advantages of technology is its abipty to improve efficiency and productivity." or "The convenience of technology has made our daily pves much easier."