Write well. Write often. Edit wisely.
Technology is part of a story’s setting. Remember to include technology, especially in contemporary stories, if you want setting and background to feel authentic.
A character thrust into an unfamiliar world is a character off balance. Such characters should respond to the unusual in their lives. And their responses should draw them into deeper trouble.
Facts or setting details that are out of era or simply wrong weaken stories and distract readers. Check your story facts, check setting details, to keep stories tight and enjoyable.
Setting is the place and time of story. It can include physical locale and social milieu and the props that characters handle as they move through the story.