On the other hand, it might only take one bad experience (say an ex responding to a picture) for them to never use Facebook again. And then the word will spread

On the other hand, it might only take one bad experience (say an ex responding to a picture) for them to never use Facebook again. And then the word will spread. The techies are leaving the ship now, my guess is that in two or three years Oprah will delete her account on live TV.