“When these sites go away, it’s a sudden loss. It’s like you are standing in the middle of Macy’s and the power goes out. When the thing you depend on to live your daily life suddenly goes away, it’s trauma…These companies have a responsibility to people who rely and depend on them, just as people going over a public bridge expect that the bridge won’t suddenly collapse,” says Velocity cochair Jesse Robbins in Brad Stone’s article on Web sites’ performance.