What they have done so far is a start, but it does not resolve all issues. Sony has fixed the immediate security flaw but there are other flaws. It is critical for Sony to do a robust notice campaign to make people aware of this.
While they're willing to seek subpoenas for people without associations with Apple, they failed to review laptops or e-mails.
What you search for indicates a lot about you: what you're worried about, what you're interested in. It's a window into your personality that people consider to be very private information.
We're asking that the system allow people to surf and to post and read things anonymously. Because the system requires people to sign on, it creates the opportunity for persistent tracking.
All the search engines have created a honey pot of information about people and what they search for. It's a window into their personalities -- what they want, what they dream about. This information gets stored, and that becomes very tempting.