Like the article says, I cannot believe they did not put more effort in preventing this from happening.
Apple gets Ping’d with comment spam – They didn’t see this coming?
Most of the security industry has been pointing out the migration of spam from an email-only venture to blog/forum comments, Facebook, Twitter and other Web 2.0 platforms. But apparently Apple didn’t consider this when designing Ping, as the service implements no spam or URL filtering. It is no big shock that less than 24 hours after launch, Ping is drowning in scams and spams.