The sentence refers to a specific point in the future (In 2030) and describes a process or an ongoing action that will be happening at that time.
The Context: The sentence describes a continuous change or a state that will be in progress during the year 2030.
The Structure: The Future Continuous Tense is formed using will + be + [verb + -ing]. This is used to indicate that an action will be ongoing at a certain time in the future.
Why "will be reshaping" is correct: It smoothly describes the active, ongoing impact technology will have on our lives in the future.