Why did the people in the group come together in the seventh man?

Waiting out a storm. (Or, he is telling a story.)

The story is set in a small house late into a stormy night, which is where the seventh man tells his story.

Explanation:

The short story “The Seventh Man”, by Haruki Murakami, is actually narrated in the third person, but most of the story is narrated in first person because most of it consists of the seventh man telling his story to the group of people huddled in the house. The seventh man tells his story in a serious tone, empty of humor and lightness. His words are laden with dark sadness and grief from what he has had to experience as a young child.

the answer would be, she updates her online profiles regularly and participates in work-related online discussions.